Industrial and trades terminology · MLC-0113

Industrial and trades terms: M (377)

• MA common abbreviation in textile production and retail for 'medium,' indicating a size classification for...
• M15A gasoline blend containing 15% methanol by volume, plus corrosion inhibitors, burned in gasoline engines and...
• M85A fuel blend consisting of 85% methanol and 15% unleaded gasoline. This alternative fuel was explored for its...
• MachineAn apparatus using electrical, mechanical, or chemical energy to perform work, consisting of a power source...
• Machine laceA type of lace manufactured mechanically on specialized machines, replicating the appearance of handmade...
• Machine taperA conical form machined onto a shaft or into a bore, designed to provide a precise and rigid connection...
• Machine toolA power-driven machine that cuts, shapes, or forms metal or other rigid materials by removing material or by...
• Machining centerA computer numerical control (CNC) machine tool capable of performing multiple machining operations, such as...
• MacroconfocalDescribing an optical imaging technique that combines the principles of confocal microscopy with a larger...
• MacrosegregationThe non-uniform distribution of alloying elements on a large scale within a solidified metal casting or...
• MacrostructureThe overall structural features of a metal or alloy that are visible to the unaided eye or at low...
• MaculeA blur or doubled look in printed matter, as when the paper slips slightly during impression so that the type...
• Mag wheelA lightweight wheel originally cast or forged from a magnesium alloy for racing, where cutting unsprung...
• MagazineA secure compartment on a vessel used for storing ammunition, explosives, or other dangerous goods. Magazines...
• MaglevA type of train system that uses magnetic levitation to suspend, guide, and propel vehicles, eliminating...
• Magnetic circuitA closed path for magnetic flux, analogous to an electrical circuit for electric current. It typically...
• Magnetic equatorAn imaginary line around the Earth where the magnetic field lines are horizontal, meaning the magnetic dip is...
• Magnetic momentA measure of the strength and orientation of a magnetic source, such as a magnet or a current loop. It...
• Magnetic stripA band of material containing iron-based magnetic particles used to store digital information, also known as...
• Magneto-optic effectA phenomenon where light interacts with a material that is subjected to a magnetic field, resulting in...
• Magneto-optic Kerr effectA magneto-optic phenomenon where the polarization of light reflected from a magnetic material changes when...
• MagnetoplasmadynamicsThe study of the motion of electrically conducting fluids, such as plasmas, in the presence of magnetic...
• MAHLIThe Mars Hand Lens Imager, a camera mounted on the robotic arm of the Curiosity rover on Mars. This...
• Mail carA railway carriage specifically designed and equipped for the sorting, storage, and transportation of mail...
• Mail trainA train whose primary purpose is the transport of postal mail, often on a high-priority schedule...
• MailcatcherA device formerly used on railway post office cars to snatch mailbags from trackside cranes without stopping...
• MainReferring to the largest or primary component of a ship's structure or rigging. For instance, the mainmast is...
• Main frameThe primary structural base of a machine or piece of equipment, providing a rigid foundation for mounting all...
• MaincropA crop variety that is planted to mature during the principal part of the growing season, intended for...
• MaingateThe primary intake roadway providing access, ventilation, and transport services to a longwall coal face...
• MainlineThe primary conduit in a plumbing system that carries water from the municipal supply into a building or...
• MainsparA primary structural member that runs along the length of an aircraft wing, providing the main support for...
• Make-before-breakA contact configuration in an electrical switch or relay where the new connection is established before the...
• Make-readyThe preparatory steps and adjustments performed on a printing press before a production run begins. This...
• MakespanThe total time required to complete a set of tasks or jobs from start to finish in a production or scheduling...
• MakeupThe addition of a fluid, gas, or other substance to a system to replace material that has been consumed or...
• MalaxationThe process of slowly churning or mixing olive paste after it has been milled, a key step in olive oil...
• Male-to-femaleDescribing a type of electrical or mechanical connection where one component, the 'male' part, has a...
• Managed motorwayA section of highway where active traffic management techniques are used to regulate traffic flow and...
• ManchetteA short note, heading, or illustration printed in the side margin of a page, outside the main text block. It...
• ManettinoA rotary switch, whose name means "little lever" in Italian, mounted on the steering wheel of some...
• ManifoldA pipe or chamber with several openings, designed to collect or distribute fluids or gases to or from...
• ManiverterAn automotive exhaust component that integrates the exhaust manifold and the catalytic converter into a...
• ManlockAn airlock, a pressure-tight chamber with two doors, through which workers pass between normal atmospheric...
• Man-of-warA historical designation for a naval warship, particularly a powerful sailing vessel from the 16th to the...
• ManridingThe transportation of personnel within a mine, typically using specialized conveyances such as trains...
• Man-tailoredDescribing a garment or product designed with styling details borrowed from traditional men's apparel, such...
• MantripA specialized train or vehicle used to transport miners to and from their working areas within an underground...
• ManualDescribing a type of transmission system in a vehicle where the driver manually selects gears using a shift...
• Manual transmissionA type of vehicle gearbox that requires the driver to manually select gears using a shift lever and a clutch...
• ManwindingThe process of transporting personnel vertically in a mine shaft using the hoisting system, also known as the...
• Map pocketA storage compartment integrated into the interior of a vehicle, usually located on the door panel or the...
• MapperA tool or software utility that creates a visual representation or logical correspondence between different...
• MarabouThe soft, fluffy down feathers from the under-wing and tail of the marabou stork, used as a decorative trim...
• MarbleA metamorphic rock primarily composed of recrystallized carbonate minerals, most commonly calcite or...
• MarcellaA type of woven cotton fabric characterized by its raised, textured surface, resembling pique or waffle...
• MARDIThe Mars Descent Imager, a camera designed to capture high-resolution color images of the Martian surface...
• MarineRelating to the sea, oceans, or the commercial and military activities conducted upon them, such as shipping...
• Marine glueA waterproof and flexible adhesive compound used for caulking the seams of wooden boat decks and hulls. It...
• MarkA visual indicator on a line, chain, or cable to denote a specific length or depth. On an anchor chain, marks...
• Market classA categorization system for agricultural commodities based on specific characteristics that influence their...
• MaroonTo abandon a person on a deserted island or remote shore with little chance of rescue, a punishment inflicted...
• MARPOLThe principal international agreement for preventing pollution of the marine environment by ships from...
• MARPOL 73/78The combined pollution treaty formed by the 1973 International Convention for the Prevention of Pollution...
• MarquetryA decorative craft involving the creation of intricate pictures or patterns by fitting together precisely cut...
• MarrowA workmate or partner in a mine, particularly in the historical coalfields of Northern England. Two or more...
• Mars roverA robotic motor vehicle designed to travel across the surface of Mars after landing. These vehicles are...
• MarshallingThe process of sorting and assembling individual railway wagons or cars into a complete train for a specific...
• MartensiteA very hard and brittle crystalline structure formed in steel by rapid cooling (quenching) from a high...
• MartindaleA unit of measurement indicating the abrasion resistance of a textile fabric, determined by a standardized...
• Martindale methodA standardized test procedure used to assess the abrasion resistance of textile fabrics. Fabric samples are...
• MarverA flat, smooth, and heat-resistant surface, typically made of steel or graphite, used in glassblowing to...
• MashA mixture of ground grains, typically malted barley, mixed with hot water to convert starches into...
• Mash tunA large vessel used in brewing and distilling to convert starches in grains into fermentable sugars. Grains...
• MasherA tool used in food processing to crush or break down soft ingredients into a pulp or smooth consistency. It...
• MashoutThe process in brewing where the mash, a mixture of malt and hot water, is heated to a specific temperature...
• Mask workA two-dimensional or three-dimensional layout or design of an integrated circuit, representing the pattern of...
• Mass storageA category of computer data storage devices capable of retaining large quantities of digital information for...
• MastThe fruit of forest trees and shrubs, such as acorns, nuts, and berries, which serves as a food source for...
• Master copyThe original, authoritative version of a document, artwork, or design from which all subsequent copies or...
• MatchA plate, constructed from wood or metal, onto which the cope and drag halves of a casting pattern are mounted...
• Match factorA ratio used in open-pit mining to compare the number of haul trucks with the capacity of the loader serving...
• Match wagonA wagon that accompanies a rail-mounted crane and carries its jib while the crane is hauled in a train, so...
• MatchboardA type of timber board featuring a tongue on one edge and a corresponding groove on the opposite edge. These...
• Matchbox skirtA straight, boxy skirt with a rectangular outline, named for its likeness to a matchbox and cut without...
• MateA licensed officer on a merchant vessel who assists the master in the navigation and operation of the ship...
• MatelotA heavy, double-faced woolen fabric characterized by a distinct ribbed or corded surface, resembling a...
• MatrixA mold or die used in typography to cast individual pieces of metal type or entire lines of text. In hot...
• MatrixingThe process of arranging and interconnecting multiple electronic components, such as switches or sensors, in...
• MaundrilA miner's pick with two prongs, used for prying coal or rock loose. Its two prongs bite into the coal or rock...
• MAVENThe Mars Atmosphere and Volatile Evolution mission, a NASA spacecraft orbiting Mars to study its upper...
• Max QThe point during a rocket's ascent when the dynamic pressure on the vehicle reaches its maximum value. This...
• Maximum seek timeThe longest time required for the read/write head of a disk drive to move from its innermost track to its...
• MazutA heavy, dark, viscous residual fuel oil obtained from petroleum distillation, primarily used in power plants...
• MBAn abbreviation that can refer to a megabyte, a unit of digital information storage. One megabyte is equal to...
• MBRA register in a computer's central processing unit that stores the data being transferred to and from the...
• McIntire jointA type of electrical splice used for joining overhead electrical conductors, particularly in power...
• McLarenA British automotive manufacturer renowned for producing high-performance sports cars and supercars. The...
• MCOThe Mars Climate Orbiter, a NASA weather and climate orbiter launched in December 1998 and lost on 23...
• MCVA classification for a Medium Commercial Vehicle, a category of truck larger than a light commercial vehicle...
• MDCA self-contained, modular enclosure that houses servers, storage, networking, and power and cooling equipment...
• MDIThe medium dependent interface, the Ethernet port wiring in which the transmit pair is on pins 1 and 2 and...
• MDMA system, known as a Meter Data Management system, that acts as a central repository for the vast quantities...
• Mean distance between failureA reliability metric representing the average distance a vehicle, component, or system travels before a...
• Mean free timeThe average duration between successive collisions of a particle in a system, such as molecules in a gas or...
• MeasAn abbreviation for measurement, referring to the process of quantifying a physical quantity or property...
• Measure twice and cut onceAn aphorism advising careful planning and verification of measurements before making any permanent alteration...
• Mechanical spliceA method of joining two optical fibers or electrical conductors using a mechanical alignment device rather...
• MechanobiologyThe study of how physical forces and mechanical properties influence biological processes at cellular and...
• MECOAn acronym for Main Engine Cutoff, the event during a rocket launch when the vehicle's primary, first-stage...
• MediumA garment size designation, abbreviated M, that sits between small and large in the lettered size run used...
• Medium scale integrationA classification of integrated circuits containing hundreds of transistors on a single chip, developed in the...
• MediumweightDescribing materials or components that fall within a middle range of weight or thickness compared to lighter...
• MEDLIThe Mars Science Laboratory Entry, Descent and Landing Instrumentation, a set of sensors built into the heat...
• MeekerA type of harrow equipped with a series of small, closely spaced discs or teeth, designed for fine seedbed...
• MeetTo encounter another train on a single-track railway line, requiring one train to wait in a siding while the...
• Meet-me roomA secure, neutral facility within a data center or carrier hotel where multiple telecommunication carriers...
• MegacandelaA unit of luminous intensity equal to one million candelas. The candela is the SI base unit for luminous...
• MegacarrierA large, multinational transportation and logistics firm with extensive global reach and a commanding market...
• MegagramA unit of mass equal to one million grams, also known as a metric ton or tonne. The gram is a unit of mass in...
• MegahenryA unit of inductance equal to one million henries, from the SI prefix mega. It is almost never used, because...
• MegajouleA unit of energy or work in the International System of Units (SI), equivalent to one million joules. It...
• MegaohmA unit of electrical resistance equal to one million ohms. The ohm is the SI derived unit of electrical...
• MegapascalA unit of pressure equal to one million pascals. The pascal is the SI derived unit of pressure, defined as...
• MegasecondA unit of time equal to one million seconds, which is about 11.6 days. The second is the base unit of time in...
• MegatallDescribing a skyscraper that reaches a height of 600 meters (1,969 feet) or more. This classification is used...
• Melt outTo remove a pattern from an investment casting mold by heating, causing the pattern material to melt and...
• Memory bankA logical or physical grouping of memory modules or chips that function together as a single unit within a...
• Memory cardA small, portable electronic data storage device that uses non-volatile flash memory to store digital...
• Memory chipAn integrated circuit designed to store digital data, either temporarily or permanently. These chips are...
• Memory effectA phenomenon observed in certain rechargeable batteries, particularly nickel-cadmium (NiCd) and some...
• MeniscusA lens with one convex face and one concave face, giving it a crescent-shaped cross section. A positive...
• MensurationThe process of measuring standing trees, logs, and other forest products to determine their volume, growth...
• MEPAn aircraft classification, Multi-Engine Piston, for airplanes equipped with two or more piston engines...
• MERThe Mars Exploration Rover program, a NASA mission that deployed two robotic rovers, Spirit and Opportunity...
• Merchant ironWrought iron or mild steel products, such as bars, angles, and channels, produced by a rolling mill for...
• Mercury arc rectifierA type of electrical rectifier that converts alternating current (AC) to direct current (DC) using an arc...
• MereseA flat, sharp-edged disc or button of glass forming a collar on the stem of a drinking glass, typically...
• MeridianA traditional name for a large size of metal type measuring 44 points, between double great primer at 36...
• Meridional rayA ray that lies in a meridional plane, the plane containing the optical axis and the object point, in a...
• Merry-go-roundA type of continuous train operation, primarily used for bulk materials like coal, where wagons are loaded...
• MesaA flat-topped, steep-sided raised region left on a semiconductor wafer when the surrounding material is...
• MeshA network topology in which nodes connect to several other nodes, so data can reach its destination over more...
• Mesh analysisA circuit analysis technique used to determine the currents flowing in planar electrical circuits by applying...
• Mesh currentA theoretical current that circulates around a closed loop or mesh in an electrical circuit, used as a...
• MetAn informal name for London's Metropolitan line, the world's first underground railway, which opened in 1863...
• MetalA solid material that is typically hard, opaque, shiny, and possesses good electrical and thermal...
• Metal masterA durable printing plate made from metal, typically aluminum, used in offset lithography for long print runs...
• Metallic waterproofingA cementitious waterproofing treatment made from finely graded iron particles mixed with an oxidizing...
• MetalliferousDescribing a mineral, ore, or rock deposit that contains metal in sufficient concentration to be a potential...
• MetallistA skilled worker or artisan who specializes in working with metals, often in a decorative or artistic...
• MetallographyThe study of the microstructure of metals and alloys, examining their internal structure and composition...
• MetallostaticThe pressure exerted by a column of molten metal at a specific point, resulting from the force of gravity...
• MetallurgicalRelating to the science and technology of metals and alloys, encompassing their extraction from ores...
• MetalmanA workman in a mine who takes down the roof of a roadway or working to give the miners more height in which...
• MetalsThe steel rails that form the track structure upon which railway vehicles run. These rails are precisely...
• MetasedimentA sedimentary rock that has undergone metamorphism, changing its mineralogical and textural characteristics...
• Metes and boundsA method of describing land parcels by referencing natural or artificial monuments, courses (directions), and...
• Methyl t-butyl etherA chemical compound, also known as MTBE, formerly used as a gasoline additive to increase octane and reduce...
• Methyl tert-butyl etherA chemical compound, commonly abbreviated as MTBE, that was historically added to gasoline to boost octane...
• Methylcyclopentadienyl manganese tricarbonylAn organometallic compound, abbreviated as MMT, used as a gasoline additive to increase octane and reduce...
• MetricA system of measurement based on units of ten, widely used in science, engineering, and most countries...
• MetrolinerA high-speed passenger train service operated by Amtrak in the United States, primarily on the Northeast...
• Mexican standoffA near-collision between two trains on the same track, an averted cornfield meet in which both stop short of...
• MFMedium Frequency, a range of electromagnetic waves spanning from 300 kilohertz (kHz) to 3 megahertz (MHz)...
• MGAn abbreviation for Machine Glazed, referring to a type of paper or board that has a high gloss finish on one...
• MGSThe Mars Global Surveyor, a robotic spacecraft launched by NASA in 1996 to orbit Mars and conduct a long-term...
• MHLMobile High-Definition Link, an interface standard that allows mobile devices to connect to high-definition...
• Mica insulatorA component made from mica, a naturally occurring mineral with excellent dielectric strength and thermal...
• MicroboreA central heating pipework system that uses narrow copper tube, commonly 8 mm or 10 mm in outside diameter...
• MicrocircuitA miniature electronic circuit fabricated on a semiconductor substrate, typically silicon, containing...
• MicrocircuitryThe intricate network of miniature electronic components and their interconnections fabricated on a...
• MicrocomputerA small, relatively inexpensive computer with a microprocessor as its central processing unit (CPU). It...
• MicrocontrollerA compact integrated circuit designed to govern a specific operation within an embedded system, containing a...
• MicrodoubletA small optical lens system consisting of two individual lens elements cemented or closely spaced together...
• MicrofaciesThe total microscopic characteristics of a sedimentary rock, revealing its depositional environment and...
• MicrogramA unit of mass equal to one millionth of a gram, or 10^-9 kilogram. It is commonly used for very small...
• MicrohybridA type of vehicle that incorporates a basic hybrid system, primarily featuring an enhanced starter-generator...
• MicrokatalA unit of catalytic activity, representing one millionth (10^-6) of a katal. The katal is the SI unit for...
• MicrokelvinA unit of thermodynamic temperature, equivalent to one millionth (10^-6) of a kelvin. The kelvin is the base...
• MicromoleA unit of amount of substance equal to one millionth of a mole. The mole is the SI base unit for amount of...
• MicrophonicsThe undesirable phenomenon where mechanical vibrations are converted into electrical signals within an...
• MicroprocessorA programmable integrated circuit that serves as the central processing unit (CPU) of a computer or embedded...
• MicrosatelliteAn artificial satellite with a wet mass (including fuel) between 10 and 100 kilograms. These small satellites...
• MicrosecondA unit of time measurement equal to one millionth of a second, or 10⁻⁶ seconds. It is used to quantify events...
• MicrosegregationThe localized variation in the chemical composition of an alloy that occurs on a microscopic scale during...
• MicrostructureThe structural features of a material, such as grain size, shape, and distribution of phases, observable...
• MicroteslaA unit of magnetic flux density equal to one millionth of a tesla. The tesla is the SI derived unit of...
• MicrowalkTo walk using very small steps, as a legged robot does when it advances only a short distance with each...
• MicrowalkingThe act of a legged robot walking with very short steps, a gait of small, closely spaced strides instead of...
• MICTORA high-density board-to-board connector whose name is a contraction of matched impedance connector, made by...
• MidairAn event or location occurring in the air during flight, distinct from ground operations. The term is most...
• Middle mileThe segment of a telecommunications network that connects the core network infrastructure to the local access...
• MidengineDescribing a vehicle design where the engine is positioned between the front and rear axles, typically behind...
• MidfeatherA thin wall or pillar of rock or coal left in place between two adjacent mine workings, such as tunnels...
• MILThe Malfunction Indicator Lamp, commonly known as the "Check Engine" light, located on a vehicle's dashboard...
• MileA unit of length used in the imperial and United States customary systems of measurement for distance in...
• Mile markerA roadside post or sign indicating the distance in miles from a designated starting point along a road or...
• MilepostA marker placed along a road or highway indicating the distance from a specific starting point, typically...
• MillA facility or machine designed to process raw materials into a more refined or usable form through mechanical...
• Mill barA semi-finished length of metal, such as steel or aluminum, that has been formed by passing it through a...
• Mill carA specialized railcar or heavy-duty vehicle designed for transporting raw materials, semi-finished products...
• Miller effectThe phenomenon in electronics where the effective input capacitance of an inverting voltage amplifier is...
• MilliarcsecondA unit of angular measurement equal to one thousandth of an arcsecond. An arcsecond is one-sixtieth of an...
• MilligramA unit of mass equal to one thousandth of a gram. The gram is a unit of mass in the metric system, with the...
• MillikatalA unit of catalytic activity, representing one thousandth (10^-3) of a katal. The katal is the SI unit for...
• MillingA machining process that uses a rotating multi-point cutting tool to remove material from a workpiece...
• Milling cutterA multipoint rotary tool used in a milling machine to remove material from a workpiece through its rotation...
• Milling machineA machine tool that uses rotating multi-point cutting tools to remove material from a workpiece by advancing...
• MilliohmmeterAn electrical measuring instrument designed to accurately determine very low resistance values, typically in...
• MillisecondA unit of time measurement equivalent to one-thousandth of a second (10⁻³ s). It is used to quantify the...
• MilpaA traditional agricultural system originating in Mesoamerica, characterized by the intercropping of maize...
• Mine carA specialized rail vehicle used for transporting ore, waste rock, or supplies within a mine. These cars are...
• Mineral rightThe legal ownership of the minerals beneath a tract of land, distinct from the ownership of the surface...
• Mineral wagonA type of railway freight car, or goods wagon, designed specifically for carrying bulk minerals like coal...
• MineralogyThe scientific study of minerals, including their crystal structure, physical and chemical properties...
• Miner's mossA type of matting material, typically made from synthetic fibers, used in placer mining operations to trap...
• MinicomputerA class of multi-user computers that emerged in the 1960s, smaller and less expensive than mainframe...
• MinidiscA magneto-optical disc-based data storage format for digital audio, housed in a plastic cartridge similar to...
• MinikinAn archaic name for a very small size of printing type, equivalent to approximately 3 points in the modern...
• Minimum connecting timeThe shortest duration deemed necessary for a passenger and their baggage to transfer from an arriving flight...
• Minimum seek timeThe shortest amount of time required for the read/write head of a disk drive to move from its current track...
• MinionA historical size of printing type, approximately equivalent to 7 points in the modern point system. It was...
• MinionetteA dated US name for a type size of 6.5 points, between nonpareil at 6 points and minion at 7 points. The...
• MinisatelliteAn artificial satellite with a wet mass ranging from 100 kg to 500 kg. These satellites bridge the gap...
• Mini-shinkansenA conventional Japanese narrow-gauge line that has been converted to standard gauge so that trains can run...
• Mi-partiA style of garment construction where a single item of clothing is divided into two or more distinct...
• MirrorworkA type of embroidery that involves attaching small pieces of mirror, known as shisha, onto fabric using a...
• MisclockA condition in a digital system where a timing signal fails to synchronize correctly between different...
• MiscloseThe difference between the measured or calculated position of a survey point and its true or previously...
• MisclosureThe amount by which a survey traverse or level loop fails to close exactly, representing the accumulated...
• MisfigureAn error or deviation in the intended surface shape of an optical component, such as a lens or mirror, from...
• MispickA defect in woven fabric where a weft yarn is either missing or incorrectly inserted across the warp yarns...
• MisregistrationAn error in printing where two or more colors or elements of an image are not perfectly aligned on the...
• MisrunAn unsuccessful attempt to run a tool or equipment string into a wellbore, where the assembly fails to reach...
• Missed approachA procedure executed by a pilot when an aircraft cannot safely land after an instrument or visual approach...
• MistA fine spray of ink particles that can escape from the printing press during operation, particularly with...
• Miter squareA hand tool for marking and verifying 45-degree and 90-degree angles, primarily for creating miter joints. It...
• Mixed caseThe use of both uppercase (capital) and lowercase letters within a piece of text, as is standard for writing...
• Mixed gaugeA railway track system where two or more different track gauges are laid on the same sleepers, allowing...
• Mixed trainA railway train consisting of both passenger coaches and freight wagons, typically found on branch lines or...
• MixerAn electronic circuit or device that combines two or more input signals into a single output signal. In radio...
• MlAn abbreviation for milliliter, a unit of volume equal to one thousandth of a liter. The liter is a non-SI...
• MLCAn abbreviation for Multi-Level Cell, a type of flash memory technology that stores more than one bit of...
• MLSA multi-layered steel gasket, constructed from several thin sheets of steel that are embossed and coated with...
• MMA unit prefix representing one million, derived from the Roman numeral M for one thousand multiplied by...
• MMCA solid-state flash memory storage device based on the MultiMediaCard standard, used for data storage and...
• MMFThe abbreviation for magnetomotive force, which is the force that produces magnetic flux in a magnetic...
• MMODMicrometeoroid and Orbital Debris, a collective term for small, high-velocity objects in space that pose a...
• MMSA communication service that allows users to send and receive messages containing multimedia content, such as...
• MMTMethylcyclopentadienyl manganese tricarbonyl, an organometallic compound used as a gasoline additive to...
• MMUA hardware component within a processor that translates virtual memory addresses into physical memory...
• MNAn abbreviation for Merchant Navy, referring to the commercial shipping fleet of a country. This fleet...
• MNPA service that enables a mobile telephone user to retain their phone number when changing from one mobile...
• Mobile dataDigital information transmitted or received by a portable electronic device, such as a smartphone or tablet...
• Mobile stationA portable device used for communication over a cellular network, encompassing both the mobile equipment and...
• Mobile virtual network operatorA telecommunications company that provides mobile phone services without owning the underlying network...
• Mock turtleneckA type of collar that stands upright around the neck but does not fold over or extend as high as a...
• MOCVDAn abbreviation for Metal-Organic Chemical Vapor Deposition, a chemical vapor deposition method used to...
• ModeA specific operational setting or configuration for a machine, system, or process. Each mode dictates how the...
• Model numberA unique alphanumeric identifier assigned by a manufacturer to a specific product variant within a product...
• Model-based designA methodology for designing complex control systems using mathematical models as the primary artifact...
• Modified American planA hotel pricing structure that includes two meals per day, usually breakfast and dinner, in the room rate...
• Modified bitumenA type of asphalt-based roofing material that incorporates polymer modifiers to enhance its flexibility...
• Modular buildingA structure constructed off-site in controlled factory conditions in sections or modules, which are then...
• ModulateTo vary one or more properties of a carrier wave, such as its amplitude, frequency, or phase, in accordance...
• ModuleA self-contained, interchangeable unit within a hydraulic system that performs a specific function, such as...
• MogulA steam locomotive wheel arrangement characterized by three pairs of driving wheels and a two-wheel leading...
• MoilThe excess glass remaining on a blowpipe or punty after a blown-glass object has been detached. This...
• Moisture scanA non-destructive survey that uses capacitance, infrared thermography, or nuclear gauge equipment to detect...
• Molding flashExcess material that escapes from the mold cavity during a molding process, forming a thin, unwanted layer...
• MoleA massive coastal engineering structure, built of stone, concrete, or earth, that extends from the shore into...
• Mole runA winding, snake-like raised line in a roofing membrane whose course ignores the joints of the insulation...
• Molex to SATA, lose all your dataA colloquial warning among computer enthusiasts regarding the use of certain Molex-to-SATA power adapter...
• MomentThe turning effect produced by a force acting at a distance from a pivot point or axis of rotation. It is...
• MomentlessDescribing a structural element or connection that is designed to transmit only axial or shear forces...
• MONThe Motor Octane Number, a measure of a fuel's resistance to knocking or pre-ignition under high-load...
• Money shiftAn accidental downshift to a gear lower than intended, occurring at high engine revolutions per minute (RPM)...
• Money shiftingThe act of inadvertently selecting a gear that is too low for the current vehicle speed in a manual...
• Monkey bikeA small, compact motorcycle characterized by its diminutive size, low seat height, and often foldable...
• MonocultureThe agricultural practice of growing a single crop species on a large area of land, year after year. This...
• MonofilamentA single, continuous strand of synthetic fiber, produced by extruding a polymer through a spinneret. Unlike...
• MonoscopeA specialized type of cathode ray tube that generates a fixed video signal from a built-in pattern printed on...
• MonostableDescribing a circuit or system that has only one stable state and one unstable state. When triggered, it...
• MonotypeA brand of hot metal typesetting machine that casts individual letters as pieces of metal type, which are...
• MontantAn upright member of a framework, such as a stile or a muntin in a door, window sash or panelled partition...
• Month handA farm laborer hired and paid by the month, an arrangement common in seasonal and historical agriculture. The...
• Month manA farm worker, particularly a male laborer, engaged under a contract for a month's duration. This employment...
• MontonA heap of crushed silver or gold ore mixed with reagents, forming the basic unit of treatment in the historic...
• MonumentA permanent or semi-permanent physical marker placed in the ground to designate a survey point, such as a...
• MoonroofA sliding or tilting glass panel in a vehicle's roof that lets light and air into the cabin. The glass is...
• MoonwalkAn excursion on foot by astronauts across the lunar surface, made in spacesuits outside the lander. The first...
• MoorTo secure a vessel in a particular place by means of anchors, cables, or lines attached to the shore or to...
• Moose testA standardized evasive maneuver test performed on vehicles to assess their ability to avoid a sudden...
• Mop-and-flopA roofing application method in which insulation boards, felt plies, or cap sheets are first laid upside down...
• Mop-upThe final stage of fire suppression operations, involving extinguishing or removing smoldering material and...
• Moravec's paradoxAn observation in artificial intelligence and robotics stating that, contrary to traditional assumptions...
• Morse codeA method of encoding text characters as standardized sequences of short and long signals, known as dots and...
• Morse taperA standardized conical shank and socket system used for mounting cutting tools, such as drill bits and...
• MortiseA cavity or recess cut into a piece of wood, designed to receive a tenon or other projecting part to form a...
• Mortise wheelA gear wheel whose teeth are separate hardwood cogs fitted into mortises in its face or rim, with the wheel...
• Mortise-and-tenon jointA traditional woodworking joint consisting of two components: a mortise, which is a hole or slot cut into one...
• MortiserA woodworking machine designed to cut mortises, which are rectangular holes or slots, into a piece of wood...
• MOSA type of semiconductor fabrication process used to create integrated circuits, particularly field-effect...
• MOSFETA type of field-effect transistor that uses a metal-oxide-semiconductor structure to control the conductivity...
• MOTAn abbreviation for Maintenance of Traffic, a detailed plan for managing vehicle, pedestrian, and worker...
• MotherA locomotive with its own engine and generator that supplies electric power to a slug, a unit that has...
• MotherboardThe principal printed circuit board within an industrial computer or electronic control unit, serving as the...
• MotifA recurring decorative design or pattern element used in textiles, such as a floral shape, geometric figure...
• MotionA change in the position or orientation of an object over time, relative to a reference frame. It is...
• Motion parallaxA monocular depth cue where objects closer to an observer appear to move faster and in the opposite direction...
• Motive powerThe machinery or system that generates the force required to propel a train along a railway track. This...
• Motive power depotA railway facility where locomotives and other traction units are stabled, refueled, serviced, and prepared...
• Motor bogieA railway bogie equipped with traction motors that provide the motive power for a locomotive or multiple-unit...
• Motor coachA type of bus designed for long-distance travel, distinguished from a transit bus by its higher level of...
• Motor octane numberA measure of a fuel's resistance to engine knocking or pre-ignition under high-stress operating conditions...
• MotorcarA small, self-propelled railway vehicle used by maintenance-of-way crews for inspecting tracks, transporting...
• Mouldboard ploughAn agricultural implement used for primary tillage that cuts, lifts, and inverts a slice of soil, called a...
• MoulderA skilled tradesperson who creates moulds for casting metal, or a machine that performs this function. In a...
• MoundsmanA man, in historical survey practice, employed to dig pits and raise earth mounds that served as reference...
• MouseA small lashing of twine or marline passed around the point and back of a hook to prevent it from...
• Mouse bungeeA device designed to manage the cable of a wired computer mouse, preventing it from snagging or dragging on...
• MouthblownDescribing a manufacturing technique for glass where molten glass is inflated by human breath through a...
• MOVA voltage-dependent resistor used to protect electronic circuits from excessive transient voltages. The...
• MovementThe internal mechanical assembly of an analog aircraft instrument that translates signals from sensors into...
• MOVPEAn acronym for Metal-Organic Vapor Phase Epitaxy, a crystal growth technique used to deposit thin layers of...
• Mower-conditionerA farm implement that cuts forage crops and then processes them to accelerate drying. It combines the...
• MPAn abbreviation for 'milepost' or 'mile marker,' a numbered sign or marker placed alongside a railway track...
• MPCAn advanced process control method that uses a dynamic model of a process to predict its future behavior and...
• MPGAn abbreviation for miles per gallon, a common unit of fuel efficiency in the United States and the United...
• MPSAn abbreviation for Main Propulsion System, the integrated set of components in a spacecraft or launch...
• MRAn abbreviation for Main Reservoir, the primary compressed air storage tank in a locomotive's air brake...
• MRBA Material Review Board, a cross-functional team within a manufacturing or engineering organization...
• MROAn abbreviation for Maintenance, Repair, and Overhaul, encompassing all activities required to keep an...
• MRTMass Rapid Transit: A public transportation system that uses high-capacity trains or other vehicles to move...
• MSThe ship prefix for Motor Ship, indicating a vessel propelled by one or more internal combustion engines...
• MSAAn abbreviation for Minimum Safe Altitude, the lowest altitude at which flight is permitted under specified...
• MSBThe bit position in a binary number that has the greatest value. It represents the highest power of two in a...
• MSHAThe Mine Safety and Health Administration is an agency of the United States Department of Labor that enforces...
• MSIMedium-Scale Integration (MSI): A classification of integrated circuits containing hundreds of transistors on...
• MSRMars Sample Return, a proposed multi-mission campaign to collect rock and soil samples from the surface of...
• MTCThe Metropolitan Transportation Commission, the regional transportation planning and funding agency for the...
• MTFA Maintenance Test Flight performed after specific maintenance actions to verify an aircraft's airworthiness...
• MTSOA Mobile Telephone Switching Office, the central switching point for a cellular network that connects mobile...
• MudThe circulating drilling fluid, a water-based, oil-based or synthetic-based liquid pumped down the drill...
• Mud crackingA pattern of irregular cracks that forms on the surface of a material as it dries and shrinks. This...
• Mud slabA thin, non-structural layer of unreinforced concrete poured over the ground before the main foundation slab...
• MudcapA method of blasting that involves placing an explosive charge directly on the surface of a rock or boulder...
• MudstoneA fine-grained sedimentary rock composed primarily of clay and silt-sized particles. It forms from the...
• MuffA cylinder of glass formed by blowing a gather of molten glass into an elongated bubble. This bubble is then...
• MufflerA component of a vehicle's exhaust system designed to reduce the noise produced by the engine's exhaust...
• MulchA protective covering of organic or synthetic material spread over the ground, used in large-scale...
• MuleA small, powerful tractor or locomotive used for moving railcars or heavy equipment within a shipyard, dock...
• Mule twistA cotton yarn spun on a spinning mule and used as warp, in contrast to water twist, the stronger warp yarn...
• MullerA type of mixing machine used in foundries to prepare molding sand by thoroughly blending sand grains, clay...
• MullockWaste rock or debris generated during mining operations that does not contain economically viable quantities...
• MullockerA mine worker whose job is to clear and transport mullock, the non-valuable waste rock that is broken during...
• MultialarmA classification of fire incident that requires the response of multiple fire companies or departments beyond...
• MulticoreDescribing a processor that integrates two or more independent processing units, called cores, onto a single...
• MultidropA communication network configuration where multiple devices share a single communication channel or line. In...
• MultigaitDescribing a legged robot capable of employing several distinct gaits or patterns of leg movement to traverse...
• MultigraphA type of office duplicating machine that uses interchangeable type or plates to print multiple copies of...
• MultilinkA type of independent suspension system for a vehicle's wheels, characterized by three or more lateral arms...
• MultipathA phenomenon in wireless communication where a radio signal reaches the receiver via two or more paths, due...
• Multiple unitA train made up of self-propelled carriages, with the driving and traction equipment spread along the train...
• MultiplexerAn electronic device that selects one of several input signals and forwards it to a single output line. This...
• MultipointDescribing a communication connection or network topology where three or more devices share a single...
• MultipositiveA photographic film or digital file containing multiple positive images arranged for printing. This is used...
• MultiprocessorA computer system containing two or more central processing units (CPUs) that share access to a single main...
• MultiresolutionalDescribing an imaging or analysis technique that processes or represents data at multiple levels of detail or...
• MultistageDescribing a rocket or missile composed of two or more sections, each with its own engines and propellant...
• MultitrackDescribing a section of railway line that consists of two or more parallel tracks, allowing trains to operate...
• MultitronicA brand name for a continuously variable transmission (CVT) developed by Audi, featuring a chain drive...
• MultivibratorAn electronic circuit that generates a continuous, repetitive output waveform, typically square waves or...
• Musang KingA Malaysian durian cultivar, registered as D197, prized for its deep golden-yellow, creamy flesh with a rich...
• Mushroom headA broad, low, domed head on a rivet, bolt, or screw, shaped like the cap of a mushroom, that gives a large...
• MVAn abbreviation for medium voltage, referring to an electrical power distribution system classification. In...

377 of 7,311 terms in Industrial and trades terminology (MLC-0113). Request the full dataset.