Chemistry terminology · MLC-0109

Chemistry terms: W (102)

• Wahlund effectA phenomenon observed in population genetics where a reduction in heterozygosity occurs when a population is...
• Wahrhaftig diagramA two-part diagram for unimolecular ion dissociation that shares a horizontal axis of internal energy. One...
• Walden inversionA stereochemical inversion that occurs at a chiral center during a chemical reaction, resulting in a change...
• Wall atomizationA process in atomic absorption spectroscopy where the sample is atomized from the inner surface of a heated...
• Wall-coated open-tubular columnA type of capillary column used in gas chromatography, characterized by a thin layer of stationary phase...
• Wall-jet electrodeAn electrochemical electrode configuration where a solution is directed as a jet perpendicularly towards the...
• Ward’s minimum variance methodA hierarchical clustering algorithm that at each step merges the pair of clusters whose fusion results in the...
• Warm autoantibody typeA classification of autoantibodies that react optimally with antigens at body temperature (approximately 37...
• Wash outThe removal of gases and particles from the air below a cloud by falling rain or snow, which dissolve or...
• Wash out timeThe time required for the signal from a sample in a continuous flow system to decrease to a specified...
• WasteAny substance or object which the holder discards, intends to discard, or is required to discard. In the...
• Waste managementThe collection, transport, processing, recycling, or disposal of waste materials, including the subsequent...
• Waste-waterWater that has been adversely affected in quality by human activity, originating from domestic, industrial...
• Wasting syndromeA condition of progressive, involuntary weight loss, often accompanied by weakness, fever, and nutritional...
• Water maze testA behavioral test of spatial learning and memory in rodents. A mouse or rat is released into a circular pool...
• Water potentialThe measure of the relative chemical potential energy of water in a system compared to pure water at the same...
• WattThe derived unit of power in the International System of Units (SI), representing the rate at which energy is...
• Wave heightThe maximum current observed in a polarographic or voltammetric wave, measured from the baseline to the peak...
• Wave vectorA vector quantity that describes the spatial oscillation of a wave, with its magnitude equal to the...
• WavefunctionA mathematical function in quantum mechanics that describes the quantum state of a particle or system of...
• WavelengthThe spatial period of a periodic wave, representing the distance between consecutive points of corresponding...
• Wavelength converterA device or material that absorbs electromagnetic radiation at one wavelength and re-emits it at a different...
• Wavelength dispersionThe process of spatially separating polychromatic radiation into its constituent monochromatic components...
• Wavelength errorA deviation in the indicated wavelength of a spectrophotometer from the true wavelength. This error can lead...
• Wavelength in mediumThe spatial period of a monochromatic electromagnetic wave as it propagates through a specific material...
• Wavelength in vacuumThe spatial period of an electromagnetic wave as it propagates through a perfect vacuum, representing the...
• Wavelength-dispersive X-ray fluorescence analysisA method of X-ray fluorescence analysis that separates emitted characteristic X-rays by their wavelength...
• WavenumberA measure of spatial frequency, defined as the number of waves per unit length or the reciprocal of the...
• Wavenumber in mediumThe reciprocal of the wavelength of electromagnetic radiation as it propagates through a specific material...
• Wavenumber in vacuumThe reciprocal of the wavelength of electromagnetic radiation as it propagates through a perfect vacuum...
• Weak collisionAn inelastic collision between molecules where the energy transferred between the translational and internal...
• Weakest-link incongruityThe questionable assumption, extending the idea of testing the most sensitive life stage, that protecting...
• WeanTo gradually introduce an infant or young animal to solid food while reducing or discontinuing milk feeding...
• WeatheringThe physical and chemical degradation of a polymer material due to exposure to outdoor environmental...
• WebA fold of tissue or membrane that lies between adjacent body structures where none is normally found...
• WeberThe SI derived unit of magnetic flux. It is defined as the magnetic flux that, linking a circuit of one turn...
• Wedge projectionA two-dimensional representation of a three-dimensional molecule, particularly useful for depicting...
• Wegener granulomatosisA rare autoimmune disease characterized by inflammation of small and medium-sized blood vessels, leading to...
• Weibull modelA mathematical function used in toxicology and risk assessment to describe dose-response relationships...
• WeightThe force exerted on an object due to gravity, which is the product of its mass and the local acceleration of...
• Weight compositionThe distribution of the organisms in a population across weight classes, showing how many individuals fall...
• Weight of evidenceAn approach to decision-making that involves considering all available relevant information from multiple...
• Weighted least squares regressionA statistical regression method that assigns different weights to each data point during the fitting process...
• Weighted meanA type of average where some data points contribute more than others to the final value. Each data point is...
• Weight-of-evidence for toxicityA process for evaluating the totality of scientific data to reach a conclusion about the potential toxicity...
• WeismannismThe biological theory proposed by August Weismann, which states that hereditary information is transmitted...
• Weller correlationAn empirical equation for the energy of an exciplex that has complete charge transfer, taken above the...
• Wernicke aphasiaA language disorder characterized by fluent but meaningless speech and a severe impairment in understanding...
• Wernicke-Korsakoff syndromeA neurological disorder resulting from severe thiamine (vitamin B1) deficiency, primarily affecting...
• Wernicke’s areaA region of the brain located in the posterior part of the superior temporal gyrus, primarily in the dominant...
• Western blotA laboratory method for identifying particular proteins within a complex biological sample. This technique...
• Western Pacific amyotrophic lateral sclerosis and parkinsonism-dementia complexA neurodegenerative disorder endemic to certain Western Pacific islands, characterized by a combination of...
• Wet bulb temperatureThe temperature indicated by a thermometer whose bulb is covered with a wet cloth and exposed to a current of...
• Wet depositionThe process by which atmospheric pollutants are removed from the atmosphere and deposited onto the Earth's...
• Wet etchingA subtractive manufacturing process in which a material is removed from a substrate by immersion in a liquid...
• Wet residue methodA way of finding the composition of a solid phase that coexists with its saturated solution in a...
• WetlandAn area of land saturated with water, either permanently or seasonally, leading to characteristic ecosystems...
• WettingThe extent to which a liquid spreads across a solid surface, determined by the balance of adhesive and...
• Wetting tensionThe force per unit length acting along the line of contact between a liquid and a solid surface, representing...
• Wharton’s jellyA gelatinous connective tissue found within the umbilical cord, surrounding the umbilical arteries and vein...
• WhealA transient, raised, and itchy area of skin caused by localized edema in the dermis. It results from the...
• Wheal and flareA characteristic biphasic skin reaction observed during immediate hypersensitivity responses, such as...
• White matterThe tissue in the brain and spinal cord composed primarily of myelinated axons, which are nerve fibers...
• White pulpThe regions of lymphatic tissue that constitute part of the spleen's internal structure. Composed primarily...
• Whole embryo cultureAn in vitro technique used to maintain and grow intact mammalian embryos outside the maternal environment for...
• Whole sedimentThe entire matrix of solid particles and associated interstitial water found at the bottom of aquatic...
• Whole-effluent toxicityThe aggregate toxic effect of an entire wastewater discharge, rather than individual components, on aquatic...
• Wideband, alternating-phase, low-power technique for residual splittingA specific nuclear magnetic resonance pulse sequence used for heteronuclear decoupling, designed to remove...
• Wiegner effectThe phenomenon where the pH of a suspension of colloidal particles differs from the pH of the supernatant...
• Wien filterA device that selects charged particles based on their velocity by applying perpendicular electric and...
• Wild typeThe phenotype or genotype that is considered typical or most common in a natural population of organisms. It...
• Wild-type receptorA receptor protein that possesses the most common or naturally occurring amino acid sequence within a...
• Williams syndromeA rare neurodevelopmental disorder caused by a microdeletion on chromosome 7, affecting multiple genes. It is...
• Williams-Landel-Ferry equationAn empirical equation that describes the temperature dependence of the viscoelastic properties of amorphous...
• Wilzbach labellingA method for introducing radioactive isotopes, typically tritium, into organic compounds by exposing them to...
• Wind roseA graphical representation showing the distribution of wind speed and direction at a particular location over...
• w-ionA type of fragment ion observed in mass spectrometry, specifically arising from the cleavage of the peptide...
• Wisconsin card sorting testA neuropsychological test used to assess executive functions, particularly cognitive flexibility, abstract...
• Wiskott-Aldrich syndromeA rare X-linked recessive immunodeficiency disorder characterized by a triad of symptoms: eczema...
• WithdrawalA set of adverse physical and psychological symptoms that occur when a person reduces or stops using a...
• Withdrawal effectThe physiological and psychological disturbances experienced by an individual upon cessation or reduction of...
• WntA family of secreted signaling proteins that regulate cell-to-cell interactions during embryonic development...
• Wolfgram proteinA high molecular weight protein component found in the myelin sheath of the central nervous system. It is a...
• Wolfram lampA type of incandescent lamp that uses a tungsten filament, also known as wolfram, heated to high temperatures...
• Wood lampA source of long-wave ultraviolet radiation, often produced by a mercury-vapor lamp equipped with a special...
• WorkThe energy transferred when a force acts over a distance, resulting in a change in the system's volume or...
• Work functionThe minimum energy required to remove an electron from a solid material to a point just outside its surface...
• Work hardeningThe phenomenon where a material becomes stronger and harder through plastic deformation, such as by cold...
• Work of adhesionThe reversible work required to separate an interface between two immiscible phases, such as a liquid and a...
• Work of cohesion per unit areaThe reversible work required to separate a column of a pure liquid into two free surfaces, each with the same...
• Work softeningA phenomenon observed in certain materials where their resistance to deformation decreases after being...
• WorkflowThe sequence of computational tasks, processes, or steps performed to complete a specific scientific...
• Working electrodeThe electrode in an electrochemical cell where the electrochemical reaction of interest occurs, and where the...
• Working examination standardA material or device used in a clinical laboratory examination to verify the performance of the measuring...
• Working intervalThe range of analyte concentrations or quantities over which an analytical method provides reliable and...
• Working potential rangeThe span of electrical potential over which an electrochemical cell or electrode can operate without...
• Working rangeThe interval of analyte concentrations or quantities for which an analytical method is validated and provides...
• Working zoneThe space reaching up to 2 meters above the floor or working platform, within which a worker's fixed or...
• WorkstationA programmable device that automates a single operation on microplates, such as liquid handling, with the...
• Worm-like chainA polymer chain model that describes stiff or semi-flexible macromolecules, where the chain can bend but...
• Wrap-aroundAn artifact in two-dimensional chromatography where peaks that elute beyond the end of the modulation period...
• Wrist dropA medical condition characterized by the inability to extend the wrist and fingers, resulting in a flaccid...

102 of 13,676 terms in Chemistry terminology (MLC-0109). Request the full dataset.