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Glossary · Nouns · M

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TermTypeDefinitionClassificationsUpdated
Multiple Security LevelsnounMWECapability of an information system that is trusted to contain, and maintain separation between, resources (particularly stored data) of different security domains.CapabilityRegulatedCUIMay 12, 2026
multiple sourcesnounMWEInformation classified based on two or more source documents, classification guides or combination of both.DataRegulatedCUIMay 9, 2026
Multiple StarnounMWEa system of three or more stars associated by gravityverifiedMay 18, 2026
Multiple VotingnounMWEthe act of voting in more than one place by the same person at the same election (illegal in U.S.)verifiedMay 18, 2026
Multiplex OperationnounMWEan operation in which two or more activities are interleavedverifiedMay 18, 2026
MultiplexersnounA device that encodes or multiplexes information from two or more data sources into a single channel. They are used in situations where the cost of implementing separate channels for each data source is more expensive than the cost and inconvenience of providing the multiplexing/de-multiplexing functions.PhysicalMay 12, 2026
Multiplicandnounthe number that is multiplied by the multiplierverifiedMay 18, 2026
Multiplicationnounthe act of producing offspring or multiplying by such productionverifiedMay 18, 2026
Multiplicative InversenounMWE(mathematics) one of a pair of numbers whose product is 1: the reciprocal of 2/3 is 3/2verifiedMay 18, 2026
Multiplicitynounthe property of being multipleverifiedMay 18, 2026
Multipliernounthe number by which a multiplicand is multipliedverifiedMay 18, 2026
Multiplier FactornounMWEthe number by which a multiplicand is multipliedverifiedMay 18, 2026
Multiplier OnionnounMWEtype of onion plant producing small clustered mild-flavored bulbs used as seasoningverifiedMay 18, 2026
MultiprocessingnounAny operation or set of operations performed on personal data, whether or not by automated meansverifiedMay 18, 2026
MultiprocessornounNatural or legal person which processes personal data on behalf of the controllerverifiedMay 18, 2026
Multiprogrammingnounthe execution of two or more computer programs by a single computerverifiedMay 18, 2026
Multistagenounoccurring in more than one stageverifiedMay 18, 2026
Multistage RocketnounMWEa rocket having two or more rocket engines (each with its own fuel) that are fired in succession and jettisoned when the fuel is exhaustedverifiedMay 18, 2026
Multitudenounthe common people generallyverifiedMay 18, 2026
Multitudinousnessnouna very large number (especially of people)verifiedMay 18, 2026
Multivalencenoun(chemistry) the state of having a valence greater than twoverifiedMay 18, 2026
Multivalencynoun(chemistry) the state of having a valence greater than twoverifiedMay 18, 2026
Multivariate AnalysisnounMWEa generic term for any statistical technique used to analyze data from more than one variableverifiedMay 18, 2026
Multiversitynouna university system having several separate campuses and colleges and research centersverifiedMay 18, 2026
Multivitaminnouna pill or tablet containing several vitaminsverifiedMay 18, 2026
Multivitamin PillnounMWEa pill or tablet containing several vitaminsverifiedMay 18, 2026
Mumble-The-Pegnouna game in which players throw or flip a jackknife in various ways so that the knife sticks in the groundverifiedMay 18, 2026
Mumblernouna person who speaks softly and indistinctlyverifiedMay 18, 2026
Mumblety-Pegnouna game in which players throw or flip a jackknife in various ways so that the knife sticks in the groundverifiedMay 18, 2026
Mumblingnounineffectual chewing (as if without teeth)verifiedMay 18, 2026
Mumbo JumbonounMWElanguage or ritual causing, or intending to cause, confusionverifiedMay 18, 2026
Mumification NecrosisnounMWE(pathology) gangrene that develops in the presence of arterial obstruction and is characterized by dryness of the dead tissue and a dark brown colorverifiedMay 18, 2026
Mummernounan actor who communicates entirely by gesture and facial expressionverifiedMay 18, 2026
Mummerynounmeaningless ceremonies and flatteryverifiedMay 18, 2026
Mummichognounsilver-and-black killifish of saltwater marshes along the Atlantic coast of the United StatesverifiedMay 18, 2026
Mummificationnoun(pathology) gangrene that develops in the presence of arterial obstruction and is characterized by dryness of the dead tissue and a dark brown colorverifiedMay 18, 2026
Mummynouna body embalmed and dried and wrapped for burial (as in ancient Egypt)verifiedMay 18, 2026
Mumpsnounan acute contagious viral disease characterized by fever and by swelling of the parotid glandsverifiedMay 18, 2026
Mumpsimusnouna traditional notion that is obstinately held although it is unreasonableverifiedMay 18, 2026
Munchernouna chewer who makes a munching noiseverifiedMay 18, 2026
Mundanenessnounthe quality or character of being intellectually sophisticated and worldly through cultivation or experience or disillusionmentverifiedMay 18, 2026
Mundanitynounthe quality or character of being intellectually sophisticated and worldly through cultivation or experience or disillusionmentverifiedMay 18, 2026
Mungnounerect bushy annual widely cultivated in warm regions of India and Indonesia and United States for forage and especially its edible seedsverifiedMay 18, 2026
Mung BeannounMWEerect bushy annual widely cultivated in warm regions of India and Indonesia and United States for forage and especially its edible seedsverifiedMay 18, 2026
Municipal BondnounMWEa bond issued by a state or local governmentverifiedMay 18, 2026
Municipal CenternounMWEthe center of a cityverifiedMay 18, 2026
Municipal GovernmentnounMWEthe government of a municipalityverifiedMay 18, 2026
Municipal NotenounMWEa municipal debt instrument with a maturity of less than 2 yearsverifiedMay 18, 2026
Municipalitynounan urban district having corporate status and powers of self-governmentverifiedMay 18, 2026
Munificencenounliberality in bestowing giftsverifiedMay 18, 2026
Munimentsnoundeeds and other documentary evidence of title to landverifiedMay 18, 2026
Munitions IndustrynounMWEan industry that manufacturers weapons of warverifiedMay 18, 2026
Munjnountough Asiatic grass whose culms are used for ropes and basketsverifiedMay 18, 2026
Munjanountough Asiatic grass whose culms are used for ropes and basketsverifiedMay 18, 2026
Munjeetnounperennial East Indian creeping or climbing herb used for dye in the orientverifiedMay 18, 2026
Muntjacnounsmall Asian deer with small antlers and a cry like a barkverifiedMay 18, 2026
Muntz MetalnounMWEan alpha-beta brass that is about 60% copper and 40% ironverifiedMay 18, 2026
Muonnounan elementary particle with a negative charge and a half-life of 2 microsecondverifiedMay 18, 2026
Muralistnouna painter of muralsverifiedMay 18, 2026
Muramidasenounan enzyme found in saliva and sweat and tears that destroys the cell walls of certain bacteriaverifiedMay 18, 2026
Murder ChargenounMWEan indictment charging someone with murderverifiedMay 18, 2026
Murder ConvictionnounMWEconviction for murderverifiedMay 18, 2026
Murder IndictmentnounMWEan indictment charging someone with murderverifiedMay 18, 2026
Murder MysterynounMWEa narrative about a murder and how the murderer is discoveredverifiedMay 18, 2026
Murder SuspectnounMWEsomeone suspected of committing murderverifiedMay 18, 2026
Murdereenouna victim who is murderedverifiedMay 18, 2026
Murderernouna criminal who commits homicide (who performs the unlawful premeditated killing of another human being)verifiedMay 18, 2026
Murderessnouna woman murdererverifiedMay 18, 2026
Murderousnessnouncruelty evidence by a capability to commit murderverifiedMay 18, 2026
Muriatic AcidnounMWEa former name for hydrochloric acidverifiedMay 18, 2026
Murine TyphusnounMWEacute infection caused by rickettsia and transmitted by the bite of an infected fleaverifiedMay 18, 2026
Murkinessnounan atmosphere in which visibility is reduced because of a cloud of some substanceverifiedMay 18, 2026
Murmur VowelnounMWEa schwa that is incidental to the pronunciation of a consonantverifiedMay 18, 2026
Murmurationnouna low continuous indistinct soundverifiedMay 18, 2026
Murmurernouna person who speaks softly and indistinctlyverifiedMay 18, 2026
Murphynounan edible tuber native to South AmericaverifiedMay 18, 2026
Murrainnounany disease of domestic animals that resembles a plagueverifiedMay 18, 2026
Murrenounblack-and-white diving bird of northern seasverifiedMay 18, 2026
Mus RosenounMWEerect Old World perennial with faintly musk-scented foliage and white or pink flowersverifiedMay 18, 2026
Musca VolitansnounMWEspots before the eyes caused by opaque cell fragments in the vitreous humor and lensverifiedMay 18, 2026
Muscadelnounwine from muscat grapesverifiedMay 18, 2026
Muscadellenounwine from muscat grapesverifiedMay 18, 2026
Muscadinenoundull-purple grape of southern United StatesverifiedMay 18, 2026
Muscae VolitantesnounMWEspots before the eyes caused by opaque cell fragments in the vitreous humor and lensverifiedMay 18, 2026
Muscatnounany of several cultivated grapevines that produce sweet white grapesverifiedMay 18, 2026
Muscat GrapenounMWEsweet aromatic grape used for raisins and wineverifiedMay 18, 2026
Muscatelnounsweet aromatic grape used for raisins and wineverifiedMay 18, 2026
Muscle BuildernounMWEsomeone who does special exercises to develop a brawny musculatureverifiedMay 18, 2026
Muscle BuildingnounMWEexercise that builds muscles through tensionverifiedMay 18, 2026
Muscle CellnounMWEan elongated contractile cell that forms the muscles of the bodyverifiedMay 18, 2026
Muscle ContractionnounMWE(physiology) a shortening or tensing of a part or organ (especially of a muscle or muscle fiber)verifiedMay 18, 2026
Muscle FibernounMWEan elongated contractile cell that forms the muscles of the bodyverifiedMay 18, 2026
Muscle FibrenounMWEan elongated contractile cell that forms the muscles of the bodyverifiedMay 18, 2026
Muscle MemorynounMWEyour memory for motor skillsverifiedMay 18, 2026
Muscle RelaxantnounMWEa drug that reduces muscle contractility by blocking the transmission of nerve impulses or by decreasing the excitability of the motor end plate or by other actionsverifiedMay 18, 2026
Muscle SensenounMWEthe ability to feel movements of the limbs and bodyverifiedMay 18, 2026
Muscle SpasmnounMWEa painful and involuntary muscular contractionverifiedMay 18, 2026
Muscle SystemnounMWEthe muscular system of an organismverifiedMay 18, 2026
Muscle TonenounMWEnormal tonicity of the musclesverifiedMay 18, 2026
Musclemannounsomeone who does special exercises to develop a brawny musculatureverifiedMay 18, 2026