Glossary · Nouns · M
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TermTypeDefinitionClassificationsUpdated
Magnetic MediumnounMWEany storage medium in which different patterns of magnetization are used to represent stored bits or bytes of informationverified
Magnetic MinenounMWE(nautical) a marine mine that is detonated by a mechanism that responds to magnetic material (as the steel hull of a ship)verified
Magnetic MomentnounMWEthe torque exerted on a magnet or dipole when it is placed in a magnetic fieldverified
Magnetic MonopolenounMWEa hypothetical particle with a single magnetic pole instead of the usual twoverified
Magnetic NeedlenounMWEa slender magnet suspended in a magnetic compass on a mounting with little frictionverified
Magnetic PolenounMWEeither of two points where the lines of force of the Earth's magnetic field are verticalverified
Magnetic RecordernounMWErecorder consisting of equipment for making records on magnetic mediaverified
Magnetic RemanencenounMWEMagnetic representation of residual information remaining on a magnetic medium after the medium has been cleared. See Clearing.VulnerabilityRegulatedCUI
Magnetic ResonancenounMWEresonance of electrons or atoms or molecules or nuclei to radiation frequencies as a result of space quantization in a magnetic fieldverified
Magnetic Resonance ImagingnounMWEthe use of nuclear magnetic resonance of protons to produce proton density imagesverified
Magnetic StoragenounMWEany storage medium in which different patterns of magnetization are used to represent stored bits or bytes of informationverified
Magnetic Storage MediumnounMWEany storage medium in which different patterns of magnetization are used to represent stored bits or bytes of informationverified
Magnetic StripenounMWEa short strip of magnetic tape attached to a credit card or debit cardverified
Magnetic TapenounMWEmemory device consisting of a long thin plastic strip coated with iron oxideverified
Magnetic VariationnounMWEthe angle (at a particular location) between magnetic north and true northverified
Magnetonouna small dynamo with a secondary winding that produces a high voltage enabling a spark to jump between the poles of a spark plug in a gasoline engineverified
Magnetoelectric MachinenounMWEa small dynamo with a secondary winding that produces a high voltage enabling a spark to jump between the poles of a spark plug in a gasoline engineverified
Magnetographnouna scientific instrument that registers magnetic variations, especially variations of the earth's magnetic fieldverified
Magnetohydrodynamicsnounthe study of the interaction of magnetic fields and electrically conducting fluids (as plasma or molten metal)verified
Magnetronnouna diode vacuum tube in which the flow of electrons from a central cathode to a cylindrical anode is controlled by crossed magnetic and electric fieldsverified
Magnifying GlassnounMWElight microscope consisting of a single convex lens that is used to produce an enlarged imageverified
Magnoliid Dicot FamilynounMWEfamily of dicotyledonous flowering plants regarded as among the most primitive of extant angiospermsverified
Magnoliid Dicot GenusnounMWEgenus of dicotyledonous flowering plants regarded as among the most primitive of extant angiospermsverified
Magnoliopsid FamilynounMWEfamily of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germinationverified
Magnoliopsid GenusnounMWEgenus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germinationverified
MagueynounMexican plant used especially for making pulque which is the source of the colorless Mexican liquor, mescalverified
Mahaguanounerect forest tree of Cuba and Jamaica having variably hairy leaves and orange-yellow or orange-red flowersverified
Mahimahinounlarge slender food and game fish widely distributed in warm seas, especially around Hawaiiverified
Mahoenounerect forest tree of Cuba and Jamaica having variably hairy leaves and orange-yellow or orange-red flowersverified
Mahoganynounany of various tropical timber trees of the family Meliaceae especially the genus Swietinia valued for their hard yellowish- to reddish-brown wood that is readily worked and takes a high polishverified
Mahogany FamilynounMWEtropical trees and shrubs including many important timber and ornamental treesverified
Mahogany TreenounMWEany of various tropical timber trees of the family Meliaceae especially the genus Swietinia valued for their hard yellowish- to reddish-brown wood that is readily worked and takes a high polishverified
Maiden Blue-Eyed MarynounMWEsmall widely branching western plant with tiny blue-and-white flowersverified
Maiden PinknounMWElow-growing loosely mat-forming Eurasian pink with a single pale pink flower with a crimson centerverified
Maidenhairnounany of various small to large terrestrial ferns of the genus Adiantum having delicate palmately branched frondsverified
Maidenhair BerrynounMWEslow-growing procumbent evergreen shrublet of northern North America and Japan having white flowers and numerous white fleshy rough and hairy seedsverified
Maidenhair FernnounMWEany of various small to large terrestrial ferns of the genus Adiantum having delicate palmately branched frondsverified
Maidenhair SpleenwortnounMWEsmall rock-inhabiting fern of northern temperate zone and Hawaii with pinnate frondsverified
Maidenhair TreenounMWEdeciduous dioecious Chinese tree having fan-shaped leaves and fleshy yellow seedsverified
Maidismnouna disease caused by deficiency of niacin or tryptophan (or by a defect in the metabolic conversion of tryptophan to niacin)verified
Maikoanouna South American plant that is cultivated for its large fragrant trumpet-shaped flowersverified