16-letter words containing t, r, a, m
- martin van buren — Martin, 1782–1862, 8th president of the U.S. 1837–41.
- mass destruction — devastation on a large scale
- mass observation — the study of the social habits of people through observation, interviews, etc
- material culture — the aggregate of physical objects or artifacts used by a society.
- matrix mechanics — a formulation of non-relativistic quantum mechanics in which physical quantities are represented by matrices and matrix algebra is used to predict the outcome of physical measurements.
- matron of honour — a married woman serving as chief attendant to a bride
- matter of course — an event or result that is natural or inevitable
- matter of record — a fact or statement that appears on the record of a court and that can be proved or established by producing such record.
- matter-of-course — occurring or proceeding in or as if in the logical, natural, or customary course of things; expected or inevitable.
- matter-of-factly — adhering strictly to fact; not imaginative; prosaic; dry; commonplace: a matter-of-fact account of the political rally.
- matthew flinders — Matthew, 1774–1814, English navigator and explorer: surveyed coast of Australia.
- matthew of paris — c1200–59, English chronicler.
- maximum-security — designed for or housing prisoners regarded as being very dangerous to society.
- mcnaughten rules — (in English law) a set of rules established by the case of Regina v. McNaughten (1843) by which legal proof of insanity in the commission of a crime depends upon whether or not the accused can show either that he did not know what he was doing or that he is incapable of realizing that what he was doing was wrong
- mechanochemistry — the field of chemistry that deals with the direct conversion of chemical into mechanical energy.
- mechanoreception — The action of a mechanoreceptor.
- mechanoreceptive — Responsive to mechanical stimuli such as sound and touch.
- mechanoreceptors — Plural form of mechanoreceptor.
- media atropatene — an ancient region in NW Iran, formerly a part of Media.
- medieval history — the branch of history dealing with the Middle Ages
- medium artillery — guns and howitzers of more than 105mm and less than 155mm caliber, sometimes including the 155mm howitzers. Compare heavy artillery (def 2), light artillery (def 2).
- medullary sheath — Botany. a narrow zone made up of the innermost layer of woody tissue immediately surrounding the pith in plants.
- meet one's maker — to die
- megacorporations — Plural form of megacorporation.
- megakaryoblastic — (cytology) Of or pertaining to a megakaryoblast.
- megaphanerophyte — any tree with a height over 30 metres
- melodic interval — an intervening period of time: an interval of 50 years.
- melodramatically — In a melodramatic manner.
- memoria technica — a method or device for assisting the memory
- mengagement ring — an engagement ring bought for a man
- menippean satire — a form of satire that is indirect and nonrealistic in approach and that consists typically of a loosely organized narrative incorporating a series of dialogues between representatives of various points of view
- menometrorrhagia — (pathology) Excessive uterine bleeding occurring outside of the normal menstrual period.
- menstrual cramps — pain in the lower abdomen as well as possibly in the lower back and legs associated with menstruation
- menstrual period — the bleeding from the womb that occurs approximately monthly in nonpregnant women of reproductive age
- mercantile paper — commercial paper.
- mercator sailing — sailing according to rhumb lines, which appear as straight lines on a Mercator chart.
- merchant account — A merchant account is a type of bank account that allows a company to accept credit cards.
- merchant service — A merchant service is a provider of credit card processing services.
- mercury autocode — Autocode for the Ferranti Mercury machine.
- meristematically — In a meristematic way.
- meritocratically — In a meritocratic way.
- mesembryanthemum — any of various chiefly Old World plants of the genus Mesembryanthemum, having thick, fleshy leaves and often showy flowers.
- metallofullerene — (chemistry) A fullerene containing an enclosed metal atom.
- metamorphization — Process or action of metamorphizing.
- metamorphosising — Present participle of metamorphosise.
- meteorite crater — crater (def 2).
- meteorologically — In meteorological terms; in the context of weather.
- methacrylic acid — a colorless, liquid acid, C 4 H 6 O 2 , produced synthetically, whose methyl ester, methyl methacrylate, polymerizes to yield a clear plastic.
- methyl parathion — a synthetic pesticide, C 8 H 1 0 NO 5 PS, used in the control of mites and various insects, as aphids, boll weevils, and cutworms.
- mexican fruitfly — a brightly colored fly, Anastrepha ludens, whose larvae are a serious pest chiefly of citrus fruits and mangoes in Mexico, Central America, and southern Texas.