12-letter words containing g, e, m, s
- macrogametes — Plural form of macrogamete.
- macrosegment — a stretch of speech preceded and followed but not interrupted by a pause.
- magic square — a square containing integers arranged in an equal number of rows and columns so that the sum of the integers in any row, column, or diagonal is the same.
- magistracies — Plural form of magistracy.
- magnet steel — steel used for the manufacture of permanent magnets, often having a high cobalt content and smaller amounts of nickel, aluminium, or copper
- magnetopause — the boundary between the earth's magnetosphere and interplanetary space, about 40,000 miles (65,000 km) above the earth, marked by an abrupt decrease in the earth's magnetic induction.
- magnetotails — Plural form of magnetotail.
- magnetotaxis — movement or orientation of an organism in response to a magnetic field.
- magpie goose — a black-and-white gooselike bird, Anseranas semipalmatus, of Australia, believed to be the most primitive waterfowl in existence.
- malignancies — Plural form of malignancy.
- maneuverings — Plural form of maneuvering.
- manoeuvrings — Plural form of manoeuvring.
- manslaughter — Law. the unlawful killing of a human being without malice aforethought.
- manspreading — the practice by a male passenger on public transport of sitting with his legs wide apart, so denying space to passengers beside him
- mao tse-tung — 1893–1976, Chinese Communist leader: chairman of the People's Republic of China 1949–59; chairman of the Chinese Communist Party 1943–76.
- marginal sea — water that lies alongside a state, falls under its authority, and extends about 3½ statute miles (6 kilometers) from the coast.
- marginalised — to place in a position of marginal importance, influence, or power: the government's attempts to marginalize criticism and restore public confidence.
- marginalises — Third-person singular simple present indicative form of marginalise.
- marginalizes — Third-person singular simple present indicative form of marginalize.
- marlingspike — Alternative spelling of marlinspike.
- masking tape — an easily removed adhesive tape used temporarily for defining margins, protecting surfaces, etc., as when painting, and sometimes also for binding, sealing, or mending.
- masquerading — a party, dance, or other festive gathering of persons wearing masks and other disguises, and often elegant, historical, or fantastic costumes.
- mass meeting — a large or general assembly to discuss or hear discussed some matter of common interest or concern: a mass meeting to protest the proliferation of nuclear weapons.
- masterbating — Misspelling of masturbating.
- mastersinger — Meistersinger (def 1).
- mastigonemes — Plural form of mastigoneme.
- mastigophore — Any flagellate of the phylum Mastigophora.
- meadow grass — any grass of the genus Poa, especially P. pratensis, the Kentucky bluegrass.
- meeting post — a timber with a chamfer at the outer edge of a lock gate that fits against the meeting post of another lock gate.
- meetinghouse — A Quaker place of worship.
- megachurches — Plural form of megachurch.
- megamillions — Plural form of megamillion.
- meganthropus — a proposed genus of extinct, late lower Pleistocene primates based on two large lower jaws found in Java, and believed to be either Australopithecine or human.
- melanogaster — Any of several fungi of the genus Melanogaster.
- melliphagous — (of an animal) feeding on honey
- menstruating — to undergo menstruation.
- mesabi range — a range of low hills in NE Minnesota, noted for major iron-ore deposits mined by the open-pit method.
- mesogastrium — the mesentery of the embryonic stomach.
- mesognathous — having medium, slightly protruding jaws.
- message unit — a measure of the duration of and distance covered by local telephone calls, used by telephone companies as a basis for assessing service charges.
- messageboard — Alternative spelling of message board.
- messeigneurs — plural of Monseigneur.
- metabolising — Present participle of metabolise.
- metagenomics — (genetics) The study of genomes recovered from environmental samples; especially the differentiation of genomes from multiple organisms or individuals, either in a symbiotic relationship, or at a crime scene.
- metagnathous — Ornithology. having the tips of the mandibles crossed, as the crossbills.
- metallurgist — the technique or science of working or heating metals so as to give them certain desired shapes or properties.
- metamessages — Plural form of metamessage.
- metaphrasing — Present participle of metaphrase.
- meterologist — Misspelling of meteorologist.
- methysergide — an ergot alkaloid derivative, C 2 1 H 2 7 N 3 O 2 , used in the prophylaxis and treatment of migraine and cluster headaches.