Environment terminology · MLC-0121
Environment terms: G (787)
- G1 Phase ProcessPhase of the cell cycle preceding DNA synthesis (Gap 1 phase). The subphases of G1 include competence, entry...
- G1 to S Transition ProcessProcesses that mark, promote, and sustain the commencement of, and commitment to continue, cellular processes...
- G1/S Transition CheckpointThe point in G1 at which cells become committed to enter S phase and initiate DNA replication.
- G2 Phase ProcessPhase of the cell cycle following DNA synthesis and preceding mitosis (Gap 2 phase). The chromosomes are...
- G2 to M Transition ProcessProgression from G2 phase to M phase of the standard mitotic cell cycle. (From Gene Ontology)
- Gabion1. A rectangular basket or mattress made of steel wire in a hexagonal mesh. Gabions are generally subdivided...
- GAC10Granular activated carbon filter beds with an empty-bed contact time of 10 minutes based on average daily...
- GAC20Granular activated carbon filt er beds with an empty-bed contact time of 20 minutes based on average daily...
- Gaeumannomyces graminis var. graminisGaeumannomyces graminis var. graminis was formerly confused with the wheat take-all fungus, now separated as...
- GafferThe electrician on an audiovisual production crew.
- Gage PressureThe pressure within a closed container or pipe as measured with a gage. In contrast, absolute pressure is the...
- Gaia HypothesisHypothesis that the Earth's atmosphere. biosphere. and its living organisms behave as a single system...
- Gall1. An abnormal growth of plant tissue, stimulated by insect or fungal activity.
- Gallbladder1. A pear-shaped organ located under the liver that stores and concentrates bile secreted by the liver. From...
- GalleryEngraving of cambium or bark caused by bark beetles. Beetles create both egg galleries and feeding galleries...
- Gallery ForestA narrow strip of forest along the margins of a river in an otherwise unwooded landscape.
- Gallium ArsenideCystalline, high-efficiency compound used to make certain types of solar cells and semiconductor material.
- Gallon-Renewable Identification Number1. Renewable Identification Number that represents an individual gallon of renewable fuel.
- GalvanicDescribes geophysical techniques that require direct contact with the ground in order to pass current. The...
- Galvanic CallAn electrolytic cell capable of producing electrical energy by electrochemical action. The decomposition of...
- Galvanic SeriesA list of metals and alloys presented in the order of their tendency to corrode (or go into solution). This...
- Galvanic Skin ResponseA change in electrical resistance of the skin, occurring in emotion and in certain other conditions.
- GalvanizeTo coat a metal (especially iron or steel) with zinc. Galvanization is the process of coating a metal with...
- Galvanized Basis MaterialZinc coated steel, galvalum, brass and other copper base strip which is processed in coil coating.
- Galvanized Service LineIron or steel piping that has been dipped in zinc to prevent corrosion and rusting.[National Primary Drinking...
- Galvanizing1. Coating steel products with zinc by the hot dip process including the immersion of the steel product in a...
- Galveston Bay-San JacintoThe coastal drainage and associated waters from and including Sabine Pass to the Brazos River Basin boundary...
- Game Fish1. Those species of fish sought by sports fisherman (trout, bass, salmon, etc). Game fish are usually more...
- Game SpeciesSpecies of animals that are hunted or fished, for purposes of sport, recreation, and food capture.
- Game Theory1. The study of decision problems in competitive situations. Game theory is concerned with the derivation of...
- Gamete1. Mature male or female reproductive cell (sperm or ovum) with a haploid set of chromosomes (23 for humans).
- GametogenesisThe process of germ cell development from the primordial germ cells to the mature haploid gametes.
- GammaThe common unit of magnetic field intensity, equal to one nanoTesla (a Tesla is the SI unit). The Earth's...
- Gamma Distribution1. A unimodal statistical distribution (relative proportion of responders as a function of some measure) that...
- Gamma Diversityfor a landscape or set of samples including more than one kind of community.
- Gamma log1. Also called gamma-ray log or natural-gamma log; log of the natural radioactivity of the rocks penetrated...
- Gamma (Multi-Hit) ModelA generalization of the one-hit model (see definition) for low-dose extrapolation.
- Gamma radiation1. Short-wavelength electromagnetic radiation of nuclear origin, with energies between 10 keV to 9 MeV.
- Gamma ray1. A photon that has neither mass nor electrical ge that is emitted by the nucleus of an atom; measured in...
- Gamma RaysHigh-energy electromagnetic radiation, or photon quanta, emitted by certain radioactive elements, either...
- gamma spectroscopyThe analysis of photons (X-ray or Gamma) emitted from radioactive atoms as they undergo transformations to...
- Gamma-Amino Butyric Acid Type B Receptor BindingA process that involves the non-covalent binding of gamma-amino butyric acid to the gamma-amino butyric acid...
- Gamma-Aminobutyric Acid Receptor BindingA process that involves the binding of gamma-aminobutyric acid to a GABA A receptor. These interactions are...
- Ganglion1. A cluster of nervous tissue principally composed of neuronal cell bodies external to the central nervous...
- Gangue1. The fraction of ore rejected as tailing in a separating process. It is usually the valueless portion, but...
- Gantry CraneA fixed or traveling bent-supported crane for handling heavy equipment.
- GapLow point or opening between hills or mountains or in a ridge or mountain range.
- Gap Analysis1. The process of identifying and classifying components of biodiversity to determine which components...
- Gap JunctionConnections between cells which allow passage of small molecules and electric current. Gap junctions were...
- Garbage1. Food waste (animal and vegetable) resulting from the handling, storage, packaging, sale, preparation...
- Garden HoseFlexible tubing that conducts water to a specific location.
- GargetA common term for an inflammation of the udder of the cow or the resulting abnormal milk. More accurately...
- Garnet(GAR-nit) A group of hard, reddish, glassy, mineral sands made up of silicates of base metals (calcium...
- Garrison FacilityAny permanent military installation.
- Gas1. A naturally occurring mixture of hydrocarbon and non-hydrocarbon gases in porous formations beneath the...
- Gas by GenerationIndustrial gases categorized by how they are produced.
- Gas by UseGases categorized by their function or use.
- Gas Calibration CylinderRefillable cylinder that meets the applicable DOT/TC specifications for high pressure cylinders. The...
- Gas Chromatograph-Mass SpectrometerAn instrument that identifies the molecular composition and concentrations of various chemicals in water and...
- Gas Chromatography1. Gas chromatography is a technology used for investigating and assessing soil, water, and soil gas...
- Gas Cloud DropletAtmospheric gases dissolve in the water droplets in a cloud. Once dissolved, the gases may also react with...
- Gas Collection System1. System of pipes used to collect landfill gas from different locations in the landfill by means of a fan or...
- Gas Condensation AerosolAerosol resulting from the condensation of gases in the atmosphere
- Gas Escape OpeningAny roof monitor, vent, door, window, hole, crack or other conduit that allows gas to escape to the...
- Gas Evolution ReactionReaction in a liquid that causes a gas to be given off
- Gas FieldAn area where natural gas exists underground
- Gas Field ResourceA field with a gas to oil ratio of 20,000 cubic feet/barrel or greater.
- Gas FlaringThe burning of waste gases through a flare stack or other device before releasing them to the air.
- Gas Guzzler TaxThe Energy Tax Act of 1978 initially established a "gas guzzler tax" on the sale of new vehicles whose fuel...
- Gas HydrateNaturally occurring “ice-like” combinations of natural gas and water that have the potential to provide an...
- Gas LostAvoidably lost natural gas which is flared or vented (i.e., natural gas not retained in the production system...
- Gas Manufacturer Alternative Certified Standardgas that has been prepared according to this procedure and serves as a functional substitute for an EPA...
- Gas Manufacturer Intermediate StandardGas reference standard made by a gas supplier and certified according to the U.S. EPA protocol rules for...
- Gas Manufacturer Primary StandardReference gas standard prepared and certified by the SGM that serves as a functional substitute for the...
- Gas Manufacturer's Intermediate StandardCompressed gas calibration standard that has been assayed and certified by direct comparison to a standard...
- Gas MonitorInstrument that continuously measures the concentration of a particular gaseous species in the effluent of a...
- Gas Mover EquipmentEquipment (i.e., fan, blower, compressor) used to transport landfill gas through the header system.[40 CFR...
- Gas Phase ProcessPolymerization process in which the polymerization reaction is carried out in the gas phase; i.e., the...
- Gas PlantA facility which yields a synthesis gas composed primarily of hydrogen and carbon monoxide gas.
- Gas SorptionDevices used to reduce levels of airborne gaseous compounds by passing the air through materials that extract...
- Gas StoveStove that is fuelled by natural gas.
- Gas Stream DischargeRelease of gas streams from an enclosed space, such as a pipeline.
- Gas Stripping, OtherThe removal of gases with equilibrium vapor pressures at ambient temperatures, including volatile organic...
- Gas TransformUse and entirely consume (except for trace concentrations) nitrous oxide or fluorinated GHGs in the...
- Gas Turbine EfficiencyGas turbine manufacturer's rated heat rate at peak load in terms of heat input per unit of power output based...
- Gas Turbine Engine1. Anything commercially known as a gas turbine engine or any collection of assembled engine components that...
- Gas Turbine ModelGroup of gas turbines having the same nominal air flow, combuster inlet pressure, combuster inlet...
- Gas Turbine Water Wash1. The water released from washing gas turbine components.
- Gas VentingDirect release of natural gas into the environment.
- Gas Well1. A well completed for production of natural gas from one or more gas zones or reservoirs. Such wells...
- Gasconade-OsageThe Gasconade and Osage River Basins. Kansas, Missouri. Area = 18400 sq.mi.
- Gas-Condensate-Glycol SeparatorTwo- or three-phase separator through which the “rich” glycol stream of a glycol dehydration unit is passed...
- Gaseous Fuel1. Any fuel that is present as a gas at standard conditions and includes, but is not limited to, natural gas...
- Gas-Fired Boiler1. Any boiler that burns gaseous fuels not combined with any solid fuels and burns liquid fuel only during...
- Gas-Fired Glass-Melting FurnaceUnit comprising a refractory vessel in which raw materials are charged, melted at high temperature using...
- Gas-Fired Unit1. (1) For all purposes under the Acid Rain Program, except for part 75 of this chapter, the combustion...
- GasholderSurge control vessel with a bell that is floating in a vessel filled with water that is used to store gases...
- Gasholder Seal WaterNot inprocess wastewater until it is removed from the gasholder.
- Gasification1. Conversion of solid material such as coal into a gas for use as a fuel.
- Gasification WastewaterAny wastewater generated at an integrated gasification combined cycle operation from the gasifier or the...
- Gasified CoalCoal which has been heated and partially oxidized to produce a mixture of carbon dioxide, carbon monoxide...
- Gasket1. Article used to form a leakproof seal between fixed components.
- Gasohol1. Mixture of gasoline and ethanol derived from fermented agricultural products containing at least nine...
- Gasoline1. The most important refinery product is motor gasoline, a blend of hydrocarbons with boiling ranges from...
- Gasoline Blending OperationRefinery or post-refinery operation in which different hydrocarbon streams or additives are combined to meet...
- Gasoline Blendstock for Oxygenate BlendingMeaning given in 40 CFR 1090.80.
- Gasoline Blendstock or ComponentLiquid compound that is blended with other liquid compounds to produce gasoline.
- Gasoline Cargo Tank1. Delivery tank truck or railcar which is loading gasoline or which has loaded gasoline on the immediately...
- Gasoline DetergentAny chemical compound or combination of chemical compounds that is added to gasoline to control deposit...
- Gasoline Dispensing FacilityAny stationary facility which dispenses gasoline into the fuel tank of a motor vehicle, motor vehicle engine...
- Gasoline Gallon Equivalent1. Amount of electricity or fuel with the energy equivalence of one gallon of gasoline. For purposes of this...
- Gasoline Importer1. For the purposes of this subpart only, an importer of gasoline or renewable fuel is:(1) Any person who...
- Gasoline Liquid Transfer and Vapor Collection System EquipmentEach valve, pump, pressure relief device, sampling connection system, open-ended valve or line, and flange or...
- Gasoline ManufacturerA fuel manufacturer that owns, leases, operates, controls, or supervises a fuel manufacturing facility where...
- Gasoline OtherGasoline that is not defined elsewhere, including GTAB (gasoline treated as blendstock).
- Gasoline RefinerRefiner as defined as in § 80.2(i) that produces gasoline or gasoline blending stocks that could become...
- Gasoline Regulated BlendstockA regulated blendstock that is used or intended for use as a component of gasoline.
- Gasoline Service StationAny site where gasoline is dispensed to motor vehicle fuel tanks from stationary storage tanks.
- Gasoline Storage TankEach tank, vessel, reservoir, or container used for the storage of gasoline, but does not include:(1) Frames...
- Gasoline Storage VesselEach tank, vessel, reservoir, or container used for the storage of gasoline, but does not include:(1) Frames...
- Gasoline Tank TruckDelivery tank truck used at bulk gasoline terminals which is loading gasoline or which has loaded gasoline on...
- Gasoline Treated as Blendstock1. A gasoline regulated blendstock that is imported and used to produce gasoline as specified in § 1090.1615.
- Gasoline VolatilityThe property of gasoline whereby it evaporates into a vapor. Gasoline vapor is a mixture of volatile organic...
- Gasoline Volume RecordShall include summaries of gasoline produced or imported that account for the volume of each type of gasoline...
- Gasoline-Grade tertiary Butyl Alcohol(CH3)3COH, An alcohol as described in “Oxygenates.”
- Gas-permeableA material through which gas passes easily.
- Gas-Phased Reaction ProcessElastomer production process where the reaction occurs in a gas phase, fluidized bed.
- Gas-Tight EquipmentOperated with no detectable emissions.
- Gas-to-Oil Ratio1. Number of standard cubic meters of gas produced per liter of crude oil or other hydrocarbon liquid.
- Gastric JuiceThe liquid secretion of the stomach mucosa consisting of hydrochloric acid (GASTRIC ACID); PEPSINOGENS...
- Gastric Mill1. The grinding apparatus in the cardiac stomach of crustaceans. It is formed by three chitinous teeth that...
- Gastric PouchIn scyphozoans (jellyfish), one of four sacs is which food in digested. Each pouch contains a conspicuous...
- Gastrin-Secreting CellEndocrine cells which secrete gastrin, a peptide that induces gastric acid secretion. They are found...
- GastroenteritisAn inflammation of the stomach and intestine resulting in diarrhea, with vomiting and cramps when irritation...
- Gastrointestinal1. Pertaining to the stomach and intestine
- Gastrointestinal AbsorptionUptake of substances via the gastrointestinal tract.
- Gastrointestinal AgentDrugs used for their effects on the gastrointestinal system, as to control gastric acidity, regulate...
- Gastrointestinal DisordersA non-neoplastic or neoplastic disorder that affects the gastrointestinal tract, anus, liver, biliary system...
- Gastrointestinal InfectionA viral, bacterial, fungal, or parasitic infectious process that affects the gastrointestinal system.
- Gastrointestinal MicroorganismMicroorganisms that live in human and animal gastrointestinal tracts
- Gastrointestinal NeoplasmA benign or malignant neoplasm involving any part of the gastrointestinal system.
- Gastrointestinal PolypA polypoid tumor that arises from any part of the gastrointestinal tract and protrudes into the lumen...
- Gastrointestinal TractGenerally refers to the digestive structures stretching from the mouth to anus, but does not include the...
- GastropodThe largest class of mollusks. Gastropods have a one-piece shell (univalve) or no shell at all, and travel by...
- GastrulationDuring embryonic development of most animals, a complex and coordinated series of cellular movements occurs...
- Gate Valve1. A valve regulated by the position of a circular plate.
- Gathering and Boosting SiteSingle gathering compressor station as defined in this section, centralized oil production site as defined in...
- Gathering and Boosting Systemsingle network of pipelines, compressors and process equipment, including equipment to perform natural gas...
- Gathering and Boosting System Owner or OperatorPerson that holds a contract in which they agree to transport petroleum or natural gas from one or more...
- Gathering Compressor StationPermanent combination of one or more compressors located on one or more contiguous or adjacent properties...
- Gathering LineAny pipeline, equipment, facility, or building used in the transportation of oil or gas during oil or gas...
- Gathering PipelineA pipeline that conveys gas from a production well/field to a gas processing plant or transmission pipeline...
- Gathering Pipeline SiteAll of the gathering pipelines within a single state. A gathering pipeline site is a type of gathering and...
- Gauge, PipeA number that defines the thickness of the sheet used to make steel pipe. The larger the number, the thinner...
- Gaussian (Normal) DistributionA unimodal symmetrical (bell-shaped) distribution where the most prevalent value is the mean (average) and...
- GavageType of exposure in which a substance is administered to an animal through a stomach tube.
- GD2 BindingGD2 Binding Interaction involves non-covalent attachment of a molecule through intermolecular physical forces...
- GD3 BindingGD3 Binding Interaction involves non-covalent attachment of a molecule through intermolecular physical forces...
- Gear OilPetroleum-based oils used for lubricating machinery gears.
- Geiger CounterA widely used portable radiation detection and measuring instrument. It consists of a gas-filled tube...
- GelColloid in which the dispersed phase has combined with the continuous phase to produce a semisolid material...
- Gel Electrophoresis1. Gel electrophoresis is a method of separating large molecules (such as DNA fragments or proteins) from a...
- GelisolsThe central concept of Gelisols is that of soils with gelic materials underlain by permafrost. Freezing and...
- Gelling AgentA substance used to increase the viscosity of a liquid. In hydraulic fracturing a gelling agent may be used...
- Gel-Type BatteryLead-acid battery in which the electrolyte is composed of a silica gel matrix. .
- GemfibrozilA lipid-regulating agent that lowers elevated serum
- Gen X ChemicalTrade name for a technology that is used to make high performance fluoropolymers (e.g., some nonstick...
- Gene1. The fundamental physical and functional unit of heredity. A gene is an ordered sequence of nucleotides...
- Gene Amplification1. Any DNA sequence rearrangement that results in the gain of one or more copies of a DNA segment that...
- Gene Chip TechnologyDevelopment of cDNA microarrays from a large number of genes; used to monitor and measure changes in gene...
- Gene DominanceThe condition in which one allele (the dominant allele) masks the expression of the other (the recessive...
- Gene EditingGenetic engineering or molecular biology techniques that involve DNA REPAIR mechanisms for incorporating...
- Gene Expression1. Typically involves transcription of genetically encoded information into an intermediary message...
- Gene Expression ProcessAny subcellular or molecular event or process specifically, primarily, and directly designed for and involved...
- Gene Flow1. The exchange of genes between generation via migration of individuals that will eventually breed.
- Gene Pool1. The total genetic diversity found within a population or a species. A large gene pool has extensive...
- Gene Regulation Process1. Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential...
- Gene Transcription1. The process of copying information from DNA into new strands of messenger RNA (mRNA). The mRNA then...
- GENEECTier I Surface Water Computer Model
- Gene-Environment Interaction1. An influence on the expression of a trait that results from the interplay between genes and the...
- General Account1. Allowance Tracking System account that is not a compliance account.
- General Aviation1. That portion of civil aviation, which encompasses all facets of aviation except air carriers. It includes...
- General Aviation Rework FacilityAny aerospace facility with the majority of its revenues resulting from the reconstruction, repair...
- General CausationCausation is a consistent relationship (either invariant or probabilistic) between instances of the specified...
- General Circulation Model1. A global, three-dimensional computer model of the climate system which can be used to simulate...
- General Commercial UseUse for commercial purposes other than research and development.
- GENERAL CORRESPONDENCE FILESRecords arranged and filed according to their general informational, or subject, content. Mainly letters and...
- General CounselGeneral Counsel of EPA or any official exercising authority delegated by the General Counsel.
- General Environment1. Everywhere outside the Yucca Mountain site, the Nellis Air Force Range, and the Nevada Test Site.
- General equilibriumA general equilibrium modeling approach concurrently considers the effect of a regulation across all sectors...
- General Equilibrium ModelA general equilibrium modeling approach concurrently considers the effect of a regulation across all sectors...
- General Financial Information - BasicInformation related to duties, transactions, or otherwise falling under the purview of financial institutions...
- General Line CanAny can manufactured to contain inedible products. Does not include aerosol cans or decorative tins.
- General Notice LetterA notice to inform PRPs of their potential liability for past and future response costs and the possible...
- General Permit1. NPDES permit issued under 40 CFR 122.28 that authorizes a category of discharges under the CWA within a...
- General populationThe total of individuals inhabiting an area or making up a whole group.
- General Privacy Information - BasicPII, information used to identify a specific individual, or “means of identification” is defined in 18 USC...
- General Privacy Information - SpecifiedPII (Personally Identifiable Information) or SPII (Sensitive PII) that is collected or created as part of the...
- General ProhibitionProhibitions that apply to each IU introducing pollutants into a POTW whether or not the IU is subject to...
- General prohibitionsProhibitions that apply to each IU introducing pollutants into a POTW whether or not the IU is subject to...
- General Public1. Any person except for:(1) Workers, employees, or contractors working for (or on behalf of) the owner or...
- General Purpose AdhesiveAny nonaerosol household adhesive designed for use on a variety of substrates. General purpose adhesives do...
- General Purpose CleanerProduct designed for general all-purpose cleaning, in contrast to cleaning products designed to clean...
- General Purpose Data & StatisticsGeneral Purpose Data and Statistics includes activities performed in providing empirical, numerical, and...
- General Purpose ReleaseThe single set of emission values selected that represent the data most appropriate for use by the general...
- GENERAL RECORDS SCHEDULEA NARA-issued schedule governing the disposition of specified records common to several or all agencies.
- General Reporting FacilityA facility having one or more hazardous chemicals above the 10,000 pound threshold for planning quantities...
- General Science & InnovationGeneral Science and Innovation includes all federal activities to meet the national need to advance knowledge...
- General Services AdministrationGSA, along with the Defense Logistics Agency (DLA), supplies goods and services to all facilities and workers...
- General Use CoatingAny coating that is not a specialty coating.
- Generalist1. A species with broad food preferences, habitat preferences, or both (Ricklefs 1979:871) (see Specialist).
- Generalizability1. The extent to which the findings of a study can be applied to other populations, settings, or times.
- Generalized Estimating Equation1. A statistical technique used for estimating parameters that requires only specification of the first two...
- Generally Applicable StandardRequirements that apply to general categories of activities, conditions or sites, rather than any specific...
- Generally Applicable StandardsRequirements that apply to general categories of activities, conditions or sites, rather than any specific...
- Generally Recognized as SafeDesignation by the FDA that a chemical or substance (including certain pesticides) added to food is...
- Generation1. The amount of electricity that an EGU can produce over a specific period of time, commonly expressed in...
- Generator1. A facility or mobile source that emits pollutants into the air; any person who produces a hazardous waste...
- Generator Output Capacity1. Full-load continuous rating of a generator under specific conditions as designed by the manufacturer.
- Generator-Controlled Hazardous Secondary Material1. That such material is generated and reclaimed at the generating facility (for purposes of this defintion...
- GeneratorsRefers to producers of municipal solid waste such as residences, institutions, commercial businesses, and...
- Generator-Set EngineEngine used primarily to operate an electrical generator or alternator to produce electric power for other...
- Generic Service and Repair InformationInformation which is not specific for an original equipment manufacturer’s brand of tools and equipment.[40...
- Generic Waste1. Any liquid resulting from industrial, commercial, mining or agricultural operations, or from community...
- Genetic DamageHarm to a person's genes which can be passed on to subsequent generations.
- genetic diversity1. The spectrum of genetic material carried by different organisms. Recombination gives genetic diversity the...
- Genetic Drift1. The random change of the occurrence of a particular gene in a population, genetic drift is thought to be...
- Genetic Duplication ProcessAny DNA sequence rearrangement that results in the gain of copies of a genomic region, typically in the form...
- Genetic Engineering1. A process of inserting new genetic information into existing cells in order to modify a specific organism...
- Genetic Information ProcessingA sequence of biological or biochemical events that are involved in the conversion of genetic information...
- Genetic LocusSpecific regions that are mapped within a genome. Genetic loci are usually identified with a shorthand...
- Genetic MappingCharting the location of genes on chromosomes.
- Genetic Marker1. An easily discerned attribute or probe that indicates the genotype of an individual at a locus. Examples...
- Genetic Material IntroductionMovement of nucleotide sequences into a microorganism, regardless of the technique used.
- Genetic Material InversionReplacement of an internal section of a chromosome in the reverse orientation.
- Genetic Material SourceDonor of the genetic material that encodes a pesticidal substance or leads to the production of a pesticidal...
- Genetic Material TranslocationChromosomal configuration in which part of a chromosome becomes attached to a different chromosome, or...
- Genetic PollutionThe accidental tranfer of genetic material from a genetically engineered organism to one that is not...
- Genetic PolymorphismDifference in DNA sequence among individuals, groups, or populations (e.g., genes for blue eyes versus brown...
- Genetic Recombination1. The natural process of breaking and rejoining DNA strands to produce new combinations of genes and, thus...
- Genetic RescueA conservation tool used to increase the fitness of a small, imperiled population by adding genetic variation...
- Genetic SelectionDifferential and non-random reproduction of different genotypes, operating to alter the gene frequencies...
- Genetic TestingAnalyzing an individual's genetic material to determine predisposition to a particular health condition or to...
- Genetic ToxicityRefers to the ability of substances or physical agents to damage cellular DNA and/or chromosomes of cells...
- Genetic TranslationThe biosynthesis of peptides and proteins on ribosomes, directed by messenger RNA, via transfer RNA that is...
- Genetic VariationThe phenotypic and genotypic differences among individuals in a population.
- Genetically Engineered MicroorganismA microorganism whose DNA has been manipulated by genetic engineering techniques
- Genetically Engineered PlantA plant produced through genetic engineering.
- Genetically Modified FoodFoods produced from genetically modified organisms. These species have undergone directed modification of...
- Genetically Modified Organism1. Organisms whose genome has been changed by a genetic engineering technique.
- Genetically Modified PlantPlant whose DNA has been modified by genetic engineering.
- Genetics1. The study of inheritance patterns of specific traits.
- GenitaliaThe external and internal organs related to reproduction.
- Genome1. All the genetic material in the chromosomes of a particular organism; its size is generally given as its...
- Genome-Wide Association StudyAn approach that involves rapidly scanning markers across the complete sets of DNA, or genomes, of many...
- Genomic Imprinting1. Parent-specific expression or repression of genes or chromosomes in offspring.
- Genomic Screening ToolMeans to look at multiple genes that may increase or decrease a person’s risk of common diseases.
- Genomics1. The study of all the genes of a cell or tissue, at the DNA (genotype), mRNA (transcriptome), or protein...
- Genotoxic1. Damaging to DNA; pertaining to agents known to damage DNA.
- Genotoxic StressExposure to DNA-damaging agents and subsequent energy expenditures by a cell to repair DNA damage. Genotoxic...
- Genotoxicity1. The ability of a substance to cause DNA damage.
- Genotype1. The genetic constitution of an organism, as distinguished from its physical appearance (its phenotype).
- Genotypic AnalysisThe analysis is based directly on the DNA of the organism.
- GentrificationCommonly refers to 'the process of neighborhood change that occurs as places of lower real estate value are...
- GeochemicalReferring to chemical reactions involving earth materials such as soil, rocks, and water.
- GeocodingGeocoding is the process of assigning latitude and longitude to a point, based on street addresses, city...
- GeoengineeringIntentional modifications of the Earth system, usually technological, as a means to reduce future climate...
- Geographic AreaGeographic areas that may or may not have precise coordinates, such as hydrologic units, ecoregions, air...
- Geographic EnhancementFor the purpose of § 51.308 means a method, procedure, or process to allow a broad regional strategy, such as...
- Geographic HotspotA geographic area with a high level of pollution/contamination within a larger geographic area of low or...
- Geographic Information System1. A computer system designed for storing, manipulating, analyzing, and displaying data in a geographic...
- GeographyThe science dealing with the earth and its life, especially the description of land, sea, and air and the...
- GeologicReferring to the history and structure of the solid portion (rocks, soils, and minerals) of the earth.
- Geologic Carbon SequestrationA method of securing carbon dioxide in deep geologic formations to prevent its release to the atmosphere and...
- geologic frameworkThe underlying geological setting, structure, and lithology (rock/sediment type) in a given area.
- Geologic ProvinceA USGS-defined area having characteristic dimensions of perhaps hundreds to thousands of kilometers...
- Geologic sequestration1. The process of injecting carbon dioxide (CO2), which has been compressed into a liquid state, into the...
- Geologic sequestration projectAn injection well or wells used to emplace a CO2 stream beneath the lowermost formation containing a USDW...
- Geologic Time Scale1. An arbitrary chronologic arrangement of geologic events, commonly presented in a chart form with the...
- GeologicalElementary flows coming from the earth’s crust and is divided into three categories: mineral, rock and soil...
- Geological FlowElementary flows coming from the earth’s crust and is divided into three categories: mineral, rock and soil...
- Geological formationA layer of rock that is made up of a certain type of rock or a combination of types.
- Geological Log1. A detailed description of all underground features discovered during the drilling of a well (depth...
- Geological SurveyGeneral term for any type of survey (geophysical, geochemical, seismic, etc.) providing information about the...
- Geology1. Geology is the study of the planet earth- the materials it is made of, the processes that act on those...
- Geomagnetic field1. The Earth's magnetic field.
- geometric distribution1. A discrete, statistical distribution which is described by the probability density function: p(k) = p...
- Geometric Mean1. The nth root of the product of n values.
- Geometric Standard DeviationThe geometric standard deviation (GSD) is the anti-log of the standard deviation of the logarithms of each...
- Geomorphic Channel TypeA stream reach or group of reaches that respond similarly to changes in landscape forming processes, such as...
- Geomorphic ProcessA landscape altering system, such as water runoff or erosion, that influences the movement and shape of the...
- Geomorphic ResponsivenessThe degree to which a stream channel changes its morphology or behavior due to alterations in landscape...
- Geomorphology1. The study of physical landscapes (landforms) and the processes that create and mold them.
- Geophagy1. A form of soil ingestion involving the intentional ingestion of earths, usually associated with cultural...
- GeophonesReceivers used to record the seismic energy arriving from a source, in seismic geophysical methods.
- Geophysical Log1. A record of the structure and composition of the earth encountered when drilling a well or similar type of...
- Geophysical mappingLocating geophysical anomalies in space (as opposed to time, which is geophysical monitoring).
- Geophysical monitoringObserving the change in a geophysical measurement with time.
- Geophysical ProcessPhysical earth processes
- Geophysical Support/MappingSupport to locate subsurface contaminants and to determine subsurface geological properties.
- GeospatialRelated to maps and mapping.
- Geospatial Data1. Information about the locations and shapes of geographic features and the relationships between them...
- Geospatial DatasetDatasets that include geospatial information like longitude, latitude, and other unique metadata. These...
- Geospatial ServicesGeospatial Services includes activities to support and enhance the use of geospatial data, services, and...
- Geospatial Web ServiceWeb service using REST, SOAP or other technologies whose function is to provide access to geospatial data.
- GeosphereThe soils, sediments, and rock layers of the Earth's crust, both continental and beneath the ocean floors.
- Geostationary SatelliteA satellite whose circular and direct orbit lies in the plane of the Earth’s equator and which remains fixed...
- Geostrophic WindA wind that is affected by coriolis force, blows parallel to isobars and whose strength is related to the...
- GeotextileA product used as a soil reinforcement agent and as a filter medium. It is made of synthetic fibers...
- Geotextile FiltrationThe use of geotextiles (permeable fabrics) to separate solids and liquids in such materials as lagoon sludge...
- Geothermal Direct Heat Return Flow WellsClass V wells that dispose of spent geothermal fluids following the extraction of heat used directly (without...
- Geothermal Electric Power WellsClass V wells that dispose of spent geothermal fluids following the extraction of heat for the production of...
- Geothermal energy1. Hot water or steam extracted from geothermal reservoirs in the earth's crust. Water or steam extracted...
- Geothermal Energy Resource1. Power generation using natural steam derived from the Earth's internal heat.
- Geothermal ReservoirNaturally occurring areas of hydrothermal resources. These reservoirs are deep underground and are largely...
- Geothermal/Ground Source Heat PumpThese heat pumps are underground coils to transfer heat from the ground to the inside of a building.
- GeotrichumA mitosporic Saccharomycetales fungal genus, various species of which have been isolated from pulmonary...
- Germ CellThe reproductive cells in multicellular organisms at various stages during gametogenesis.
- Germ Cell TumorA type of tumor found in the ovaries or testicles.
- Germ Line MutationAny detectable and heritable alteration in the lineage of germ cells. Mutations in these cells (i.e...
- Germ-Free AnimalAnimals bred for research in an environment free of microorganisms
- GermicidalA substance that has the ability to kill germs.
- Germicide1. (GERM-uh-SIDE) A substance formulated to kill germs or microorganisms. The germicidal properties of...
- Germinal CenterThe activated center of a lymphoid follicle in secondary lymphoid tissue where B-Lymphocytes are stimulated...
- GerminalaplasiaLack of development of egg and sperm cells
- GerminationWhen the radicle emerges from the seed; sprouting of a seed.
- Germplasm ConservationMaintaining the genetic variation of a group.
- GestationThe period in a female's life from conception to birth.
- Giardia Lamblia1. A microorganism frequently found in rivers and lakes, which, if not treated properly, may cause diarrhea...
- Giardiasis1. (gee-are-DYE-us-sis) Intestinal disease caused by an infestation of Giardia flagellates.
- GibberellinsA class of plant growth hormone isolated from cultures of Gibberella fujikuroi, a fungus causing Bakanae...
- GillA highly vascularized respiratory organ with a large surface area in aquatic animals. Gills are in direct...
- Gilt1. In swine, a female is called a gilt until she has borne a litter, after which she is called a sow.
- GIS-Based Hydrologic ModelModel of water movement on or in the earth which incorporates access to a geographical information system...
- GitHubWeb-based repository and hosting service for source code used by application developers. It offers...
- GizzardThe enlarged muscular ventriculus (stomach) of many birds.
- GlacialOf or pertaining to distinctive processes and features produced by or derived from glaciers and ice sheets.
- Glacial DeltaA landform made by a stream flowing through glacial ice and then depositing material as it enters a lake or...
- Glacier1. A multi-year surplus accumulation of snowfall in excess of snowmelt on land and resulting in a mass of ice...
- Glacier FlowThe movement of ice in a glacier, typically in a downward and outward direction, caused by the force of...
- Glacier Surface FeatureLandforms caused by present or past glaciers
- GlandersA contagious disease of horses that can be transmitted to humans. It is caused by Pseudomonas mallei (syn...
- Glass Beneficiation PlantRefers to a glass processing facility where recovered glass cullet is cleaned of contaminants and processed...
- Glass Bonding AdhesiveAdhesive used to bond windshield or other glass to an automobile or light-duty truck body.
- Glass Bonding PrimerPrimer applied to windshield or other glass, or to body openings to prepare the glass or body openings for...
- Glass CleanerCleaning product designed primarily for cleaning surfaces made of glass. Glass cleaner does not include...
- Glass CoatingCoating designed and labeled exclusively for use on glass or other transparent material to create a soft...
- Glass ContainerContainers and packaging such as beer and soft drink bottles, wine and liquor bottles, and bottles and jars...
- Glass Containers1. Refers to containers and packaging such as beer and soft drink bottles, wine and liquor bottles, and...
- Glass Manufacturing Metal Hazardous Air PollutantOxide or other compound of any of the following metals included in the list of urban HAP for the Integrated...
- Glass Melting Furnace1. Unit comprising a refractory-lined vessel in which raw materials are charged and melted at high...
- Glass Melting Furnace IdlingOperation of a glass melting furnace at less than 25% of the permitted production capacity or fuel use...
- Glass, Pipe and FittingsThe working pressure rating of a specific pipe for use in water distribution systems which includes...
- Glass Produced1. Weight of the glass pulled from the glass melting furnace.
- Glass Pull Rate1. Mass of molten glass utilized in the manufacture of wool fiberglass insulation at a single manufacturing...
- Glassy MaterialAmorphous substance formed by cooling a melt without crystallizing the material.
- GlazeCoating of colored, opaque, or transparent material applied to ceramic products before firing. [40 CFR...
- Glaze LineProduction line for glazing ceramic products, which includes glaze spraying (typically comprised of one or...
- Glaze Spray BoothType of equipment used for spraying glaze on ceramic products. [40 CFR 63.11444 (CFR 2013)]
- Glaze Spray OperationType of glaze application that uses glaze spraying, including glaze lines and glaze spray booths.
- GlazingCoating used for wet-in-wet techniques, such as faux woodgrain, faux marble, and simulated aging, which...
- Glial Cell1. The non-neuronal cells of the nervous system. They not only provide physical support, but also respond to...
- Glial Cell ProliferationGlial Cell Proliferation involves multiplication or reproduction through cell division of various types of...
- Gliocladium virensA naturally occurring fungus with spores that prevent harmful fungi from infecting roots and other parts of...
- GlipizideAn oral hypoglycemic agent which is rapidly absorbed and completely metabolized.
- Global Average TemperatureAn estimate of Earth's mean surface air temperature averaged over the entire planet.
- Global Carbon BudgetThe balance of the exchanges (incomes and losses) of carbon between the carbon reservoirs or between one...
- Global Circulation CellConvection cell explains how air and storm systems travel over the Earth's surface.
- Global climateThe average climate around the world.
- Global Climate Change1. Alteration of temperature and precipitation patterns throughout the world.
- Global Climate ModelMathematical models that simulate the physics, chemistry, and biology that influence the climate system.
- Global CommonsLand, air, and water outside the jurisdiction of any nation. [
- Global Marine FuelDiesel fuel, distillate fuel, or residual fuel used, intended for use, or made available for use in...
- Global MeasurementAll of the activities required to specify a global variable, such as ozone. These activities range from data...
- Global Positioning System1. A US satellite system that lets those on the ground, on the water or in the air determine their position...
- Global Radiation Balance1. A balance, which implies that globally the amount of incoming solar radiation must on average be equal to...
- Global Sea Level Rise1. Caused by a change in the volume of the world's oceans due to temperature increase, deglaciation...
- Global SettlementIn the Lower Fox River situation this term refers to the discussions among the governmental/trustee parties...
- Global VariableA function of space and time that describes the large-scale state and evolution of the Earth system. The...
- Global Warming1. The increase in temperatures as a result of human activities.
- Global Warming Potential1. The cumulative radiative forcing effects of a gas over a specified time horizon resulting from the...
- Global Warming PotentialsA number that refers to the amount of global warming caused by a substance. The GWP is the ratio of the...
- Globe Valve1. A type of stemmed valve that is used for flow control. The valve has a globe shaped plug that rises or...
- Globular ProteinsUniquely water-soluble proteins often spherical in shape.
- GlomerularPertaining to a tuft or cluster, as of blood vessels or nerve fibers
- Glossic HorizonThe glossic horizon (Gr. glossa, tongue) develops as a result of the degradation of an argillic, kandic, or...
- Glottis1. The space in which the vocal cords are located.
- Glove BoxTotal enclosure with a window and two ports into which extend gloves which enable a worker to manipulate...
- GlovebagA polyethylene or polyvinyl chloride bag-like enclosure affixed around an asbestos-containing source (most...
- GlucagonA 29-amino acid pancreatic peptide derived from proglucagon which is also the precursor of intestinal...
- Glucagon Receptor BindingA process that involves the non-covalent binding of glucogon to the glucogon receptor. This interaction plays...
- Glucagon-Secreting CellA type of pancreatic cell representing about 5-20% of the islet cells. Alpha cells secrete glucagon.
- GlucansPolysaccharides composed of repeating glucose units. They can consist of branched or unbranched chains in any...
- Gluconeogenesis InductionGluconeogenesis Induction involves initiation of the biosynthesis of glucose from 3-carbon non-carbohydrate...
- Gluconeogenesis InhibitionGluconeogenesis Inhibition involves interference with, or restraint of, the biosynthesis of glucose from...
- Gluconeogenic Process1. The biosynthesis of new glucose as opposed to that generated by the metabolism of glycogen...
- Glue-Laminated BeamStructural wood beam made by bonding lumber together along its faces with resin.
- Gluing OperationThose operations in which adhesives are used to join components, for example, to apply a laminate to a wood...
- GlumeIn grasses, each of generally two sheathing bracts that are the lowermost parts of a spikelet.
- Glutamic Acid1. One of twenty amino acids (molecules that join together to form proteins). Glutamic acid may help nerve...
- Glutamic-Pyruvic TransaminaseAn enzyme that catalyzes the conversion of L-alanine and 2-oxoglutarate to pyruvate and L-glutamate. (From...
- GlutamineA nonessential amino acid. Glutamine can donate the ammonia on its side chain to the formation of urea (for...
- GlutaraldehydeOne of the protein cross-linking reagents that is used as a disinfectant for sterilization of heat-sensitive...
- Glutathione1. A tripeptide comprised of three amino acids (cysteine, glutamic acid, and glycine) present in most...
- Glutathione-S-Transferase1. A transferase that catalyzes the addition of aliphatic, aromatic, or heterocyclic free radicals as well as...
- GlyburideAn antidiabetic sulfonylurea derivative with actions similar to those of chlorpropamide.
- GlycerinCoproduct from the production of biodiesel that primarily contains glycerol.[40 CFR 80.1401 (2023)]
- GlycerolA trihydroxy sugar alcohol that is an intermediate in carbohydrate and lipid metabolism. It is used as a...
- Glycine1. A non-essential amino acid. It is found primarily in gelatin and silk fibroin and used therapeutically as...
- Glycine maxProcessed soybeans are the largest source of protein feed and the second largest source of vegetable oil in...
- Glycine Receptor BindingA process that involves the binding of glycine to a glycine receptor. These interactions are involved in...
- GlycocalyxThe carbohydrate-rich zone on the cell surface. (Alberts et al., Molecular Biology of the Cell, 3d ed, p502)
- GlycogenA polysaccharide that is the main form of carbohydrate storage in animals; usually in the liver.
- Glycogen StorageStorage of the large branched polysaccharide consisting of glucose residues; the major carbohydrate reserve...
- Glycogenesis InductionGlycogenesis Induction consists of initiation of activities of biologic molecules or complexes involved in...
- Glycogenesis InhibitionGlycogenesis Inhibition consists of interference with, or restraint of, the activities of biologic molecules...
- Glycogenolysis InductionGlycogenolysis Induction involves initiation of activities of biologic molecules or complexes involved in the...
- Glycol Dehydration UnitDevice in which a liquid glycol (including, but not limited to, ethylene glycol, diethylene glycol, or...
- Glycol Dehydration Unit Baseline OperationOperations representative of the large glycol dehydration unit operations as of June 17, 1999 and the small...
- Glycol Dehydration Unit Process VentGlycol dehydration unit reboiler vent and the vent from the GCG separator (flash tank), if present. [40 CFR...
- Glycol Dehydration Unit Process Vent EmissionsVOC-containing emissions from the glycol dehydration unit regenerator or still vent and the vent from the...
- Glycol Dehydration Unit Reboiler VentVent through which exhaust from the reboiler of a glycol dehydration unit passes from the reboiler to the...
- Glycol EthersAlkyl ethers of ethylene glycol or propylene glycol which are used as solvents and as an ingredient in...
- GlycolipidsAny compound containing one or more monosaccharide residues bound by a glycosidic linkage to a hydrophobic...
- Glycols and Glycol EthersGlycols is a generic grouping for dihydric alcohols with the hydroxy groups (-OH) located on different carbon...
- Glycolysis1. A series of anaerobic chemical reactions that cells utilize to produce energy. Glycolysis is a biochemical...
- Glycolysis InductionGlycolysis Induction involves initiation of activities of the pathway by which glucose is catabolized into...
- Glycolysis InhibitionGlycolysis Inhibition involves interference with, or restraint of, the activities of the pathway by which...
- GlycoproteinsConjugated protein-carbohydrate compounds including mucins, mucoid, and amyloid glycoproteins.
- GlycosylationThe covalent chemical or biochemical addition of carbohydrate or glycosyl groups to other chemicals, by...
- GlyphosateCASRN: 1071-83-6 is a non-selective herbicide registered for use on many food and non-food field crops as...
- gneissA banded metamorphic rock originally derived from granite.
- Goal1. A desired state of affairs that outlines the ultimate purpose of a program. This is the end toward which...
- Goat DiseasesDiseases of the domestic or wild goat of the genus Capra.
- Gob Gas Vent HoleDrilled borehole as a methane control measure in longwall coal mines.
- Goblet CellCell of the epithelial lining that produces and secretes mucins.
- GOCO FacilityA Government-owned, Contractor-operated facility.
- Goiter1. Enlargement of the thyroid gland usually caused by lack of iodine in the diet, hyperthyroidism, or thyroid...
- Gold King Mine DisasterWhile excavating above the old adit, pressurized water began leaking above the mine tunnel, spilling about...
- Gold Mine Ore Processing and Production FacilityAny industrial facility engaged in the processing of gold mine ore that uses any of the following processes...
- Gold OreGold placer deposit consisting of metallic gold-bearing gravels, which may be: residual, from weathering of...
- Gold Placer DepositGold placer deposit consisting of metallic gold-bearing gravels, which may be: residual, from weathering of...
- Golgi ComplexA stack of flattened vesicles that functions in posttranslational processing and sorting of proteins...
- Gonad1. A reproductive system organ that produces and releases either sperm (testis) or eggs (ovary).
- Gonadal DisordersA non-neoplastic or neoplastic disorder that affects the testis or the ovary.
- Gonadal TumorTumor specific to the gonads.
- Good Agricultural PracticeGuidelines and methods for farmers, growers, food producers, and those involved in agriculture to manage the...
- Good Engineering Judgment1. Judgments made consistent with generally accepted scientific and engineering principles and all available...
- Good FaithThe absence of any intention to seek an unfair advantage or to defraud another party; an honest and sincere...
- Good Guidance PracticesA statement of clear and consistent agency practices for developing, issuing, and using guidance documents...
- good samaritan action1. An action taken for the benefit of part or all of the community at large rather than for that of the doer...
- Good Waters1. Good Waters are waterbodies fully supporting their designated uses under the Clean Water Act.
- goodness of fitThe goodness of fit of a statistical model describes how well the model fits a set of observed values. AVERT...
- Goodness of Fit TestsA quantification of how well a statistical model describes a set of observations. Usually, such tests...
- goodness-of-fit test1. A procedure for critiquing and evaluating the potential inadequacies of a probability distribution model...
- Goodness-of-Fit Test Method1. A method for examining how well (or poorly) a sample of data can be described by a hypothesized...
- Goods1. Anything that is sought by a person.
- Goods AcquisitionGoods Acquisition involves the procurement of physical goods, products, and capital assets to be used by the...
- Goods movement1. The distribution of freight (including raw materials, parts and finished consumer products) by all modes...
- Gooseneck1. A portion of a service connection between the distribution system water main and a meter.
- GOVERNMENTA State or local government or a Federally recognized Indian tribal government. (40 CFR Part 31)
- Government ControlsControls using the regulatory authority of a governmental entity to impose restrictions on citizens or sites...
- Government Cost Analysis1. Review and evaluation of each element of contract cost to determine reasonableness, allocability, and...
- Government FundingRevolving account into which a State deposits DWSRF program funds (e.g., capitalization grants, State match...
- GOVERNMENT INFORMATIONInformation created, collected, processed, transmitted, disseminated, used, stored, preserved permanently, or...
- Government Management Reform ActTo provide a more effective, efficient, and responsive Government.
- Government Open DataMany government authorities have mandated publication of data to the public Web. The broad intention is to...
- Government Performance & Results ActTo provide for the establishment of strategic planning and performance measurement in the Federal Government...
- Government Performance & Results Act MeasuresThe Government Performance and Results Act (GPRA) is an EPA reform initiative that was passed in 1993 to hold...
- Government Worker1. Includes people who are employees of any local, state, or federal governmental unit, regardless of the...
- Government/Academic Planning in RAINETopics in RAINE that are primarily concerned with measures taken or to be taken by government or academic...
- GovernmentalIn the case of building codes, these are the State or local organizations/agencies responsible for building...
- Governmental ControlInstitutional controls implemented and enforced by State and local governments, excluding permits, orders...
- Governmental ControlsInstitutional controls implemented and enforced by State and local governments, excluding permits, orders...
- GovernorDevice used to limit the RPM of the rotor.
- Grab Sample1. A single sample of soil or of water taken without regard to time or flow.
- Grade1. The elevation of the invert of the bottom of a pipeline, canal, culvert or similar conduit.
- grade breaksAn intentional increase in road elevation on a downhill grade that causes water to flow off of the road...
- Grade (gradient)The slope of a road or trail expressed as a percentage of change in elevation per unit of distance traveled.
- grade stabilization structureA structure used to control the grade and head cutting in natural or artificial channels.
- Graded Approach1. Process of basing the level of application of managerial controls applied to an item or work according to...
- Graded Approach to Quality1. Because of the diversity of work conducted through procurements and assistance agreements, EPA recognizes...
- Gradient1. The slope or incline measured by the change in elevation over a specified length. Measurement units may...
- Graft PolymerizationProduction of graft copolymers which have a linear main chain and polymeric side chains that differ...
- Graft PolymersPolymers where the branching unit is different from the repeat units of the long chain.
- Graft Versus Host Disease1. An incompatibility reaction (which may be fatal) in a subject (host) of low immunological competence...
- Graft-Versus-Tumor Induction1. An immune response to a person's tumor cells by immune cells present in a donor's transplanted tissue...
- Grain1. The edible whole grains from plants, mostly in the grass family (Poaceae). Grain markets include soybeans...
- Grain CropCrops, mostly grass crops, that are grown for their edible seeds, such as corn, wheat, rye, buckwheat...
- Grain densityAlso called matrix density; the density of a unit volume of rock matrix at zero porosity, in grams per cubic...
- Grain ElevatorAny plant or installation at which grain is unloaded, handled, cleaned, dried, stored, or loaded.
- Grain Handling OperationInclude bucket elevators or legs (excluding legs used to unload barges or ships), scale hoppers and surge...
- Grain LoadingThe rate at which particles are emitted from a pollution source. Measurement is made by the number of grains...
- Grain Loading StationPortion of a grain elevator where the grain is transferred from the elevator to a truck, railcar, barge, or...
- Grain MillMachinery that grinds cereal grains into smaller pieces.
- Grain SizeRefers to the size of individual mineral crystals or particles within a rock or sediment deposit.
- Grain Storage ElevatorAny grain elevator located at any wheat flour mill, wet corn mill, dry corn mill (human consumption), rice...
- Grain Terminal ElevatorAny grain elevator which has a permanent storage capacity of more than 88,100 m3 (ca. 2.5 million U.S...
- Grain Unloading StationPortion of a grain elevator where the grain is transferred from a truck, railcar, barge, or ship to a...
- GramA unit of mass equivalent to one milliliter of water at 4 degrees Celsius. 1/454 of a pound.
787 of 30,736 terms in Environment terminology (MLC-0121). Request the full dataset.