12-letter words containing m, s, g
- magnetotaxis — movement or orientation of an organism in response to a magnetic field.
- magnitogorsk — a city in the W Russian Federation in Asia, on the Ural River, near the boundary between Europe and Asia.
- magnoliopsid — (botany) a member of the class Magnoliopsida. Circumscription of this class will vary with the taxonomic system being used.
- magnus annus — the Great Year: a cycle of years, usually a thousand, that begins with a Golden Age, steadily deteriorates, and ends with a universal catastrophe, either a fire or a flood.
- magnus hitch — a knot similar to a clove hitch but taking one more turn around the object to which the line is being bent; rolling hitch.
- magpie goose — a black-and-white gooselike bird, Anseranas semipalmatus, of Australia, believed to be the most primitive waterfowl in existence.
- magyarorszag — Hungarian name of Hungary.
- mailing list — a list of addresses to which mail, especially advertisements, can be sent.
- malacologist — A person who studies molluscs, who specializes in malacology.
- malignancies — Plural form of malignancy.
- mallophagous — of or relating to any wingless insect of the order Mallophaga
- maneuverings — Plural form of maneuvering.
- manila grass — a compact, shade-tolerant, turf-forming grass, Zoysia matrella, of southeastern Asia, having stiff leaves and flowering spikelets.
- manoeuvrings — Plural form of manoeuvring.
- manslaughter — Law. the unlawful killing of a human being without malice aforethought.
- mansplaining — (informal, pejorative) The act of condescendingly explaining something, particularly by a man to a female listener in order to appear knowledgable or from a mistaken presumption that she has an inferior understanding of the topic.
- 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.
- marram grass — a grass, Ammophila arenaria, having matted, creeping rhizomes, grown on sandy shores of Europe, North America, and Australia to bind the sand.
- 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 mailing — sending a bulk e-mail
- 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.
- mass wasting — downhill movement of soil and rock fragments induced by gravity.
- masterbating — Misspelling of masturbating.
- mastersinger — Meistersinger (def 1).
- mastigonemes — Plural form of mastigoneme.
- mastigophora — a phylum of protozoans comprising nonphotosynthetic, chiefly free-living flagellates: some species are important pathogens of humans and other animals.
- mastigophore — Any flagellate of the phylum Mastigophora.
- masturbating — Present participle of masturbate.
- matto grosso — Mato Grosso.
- 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.