12-letter words containing s, a, g, m
- lymphangitis — inflammation of the lymphatic vessels.
- macrogametes — Plural form of macrogamete.
- macroglossia — Enlargement or hypertrophy of the tongue.
- macrophagous — (of an animal) feeding on relatively large particles of food
- 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.
- 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.
- 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.