Glossary · MWE Terms · M
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TermTypeDefinitionClassificationsUpdated
Magnetic HeadnounMWEan electromagnet (as on a tape recorder) that converts electrical variations into magnetic variations that can be stored on a surface and later retrievedverified
Magnetic InclinationnounMWE(physics) the angle that a magnetic needle makes with the plane of the horizonverified
Magnetic InductionnounMWEthe amount of magnetic flux in a unit area perpendicular to the direction of magnetic flowverified
Magnetic InknounMWEan ink that contains particles of a magnetic substance whose presence can be detected by magnetic sensorsverified
Magnetic ink character recognition (MICR)nounMWEMagnetic codes found on the bottom of checks, deposit slips, and general ledger debit and credit tickets that allow a machine to scan (capture) the information. MICR encoding on a check includes the account number, the routing number, the serial number of the check, and the amount of the check. The amount of the check is encoded when the proof department processes the check.verified
Magnetic IntensitynounMWEthe amount of magnetic flux in a unit area perpendicular to the direction of magnetic flowverified
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.verified
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
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
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
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
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
Mail relay servernounMWEAn electronic mail (e-mail) server that relays messages so that neither the sender nor the recipient is a local userverified
Main ClausenounMWEa clause in a complex sentence that can stand alone as a complete sentenceverified
Main DiagonalnounMWEthe diagonal of a square matrix running from the upper left entry to the lower right entryverified
Main Entry WordnounMWEthe form of a word that heads a lexical entry and is alphabetized in a dictionaryverified
Main FilenounMWE(computer science) a computer file that is used as the authority in a given job and that is relatively permanentverified
Main OfficenounMWE(usually plural) the office that serves as the administrative center of an enterpriseverified
Main RotornounMWErotor consisting of large rotating airfoils on a single-rotor helicopter that produce the lift to support the helicopter in the airverified
Mainframe ComputernounMWEa large digital computer serving 100-400 users and occupying a special air-conditioned roomverified
Maintenance HooknounMWESpecial instructions (trapdoors) in software allowing easy maintenance and additional feature development. Since maintenance hooks frequently allow entry into the code without the usual checks, they are a serious security risk if they are not removed prior to live implementation.verified
Maitre D'nounMWEa dining-room attendant who is in charge of the waiters and the seating of customersverified
Maitre D'hotelnounMWEa dining-room attendant who is in charge of the waiters and the seating of customersverified
Major Affective DisordernounMWEany mental disorder not caused by detectable organic abnormalities of the brain and in which a major disturbance of emotions is predominantverified
Major ApplicationnounMWEAn application that requires special attention to security due to the risk and magnitude of harm resulting from the loss, misuse, or unauthorized access to or modification of the information in the application. Note: All federal applications require some level of protection. Certain applications, because of the information in them, however, require special management oversight and should be treated as major. Adequate security for other applications should be provided by security of the systems in which they operate.verified
Major Depressive EpisodenounMWE(psychiatry) a state of depression with all the classic symptoms (anhedonia and lethargy and sleep disturbance and despondency and morbid thoughts and feelings of worthlessness and sometimes attempted suicide) but with no known organic dysfunctionverified
Major Diatonic ScalenounMWEa diatonic scale with notes separated by whole tones except for the 3rd and 4th and 7th and 8thverified
Major Information SystemnounMWEAn information system that requires special management attention because of its importance to an agency mission; its high development, operating, or maintenance costs; or its significant role in the administration of agency programs, finances, property, or other resources.verified