13-letter words containing m, a, r, c
- american plan — a hotel rate in which the charge includes meals
- american wake — an all-night farewell party for a person about to emigrate to America
- amicus curiae — a person not directly engaged in a case who advises the court
- amino radical — the univalent group, −NH 2 .
- aminoaciduria — the presence of amino acids in urine
- amphitheatric — Of, pertaining to, exhibited in, or resembling an amphitheatre.
- amphitrichate — having a single flagellum at each end.
- amphitrichous — having a single flagellum at each end.
- amphotericins — Plural form of amphotericin.
- amplificatory — of the nature of enlargement or extension, as of a statement, narrative, etc.
- ancien regime — The ancien regime was the political and social system in France before the revolution of 1789.
- ancus marcius — a king of Rome, during whose reign the first bridge across the Tiber was constructed.
- androcentrism — centered on, emphasizing, or dominated by males or masculine interests: an androcentric society; an androcentric religion.
- androdioecism — the state of being androdioecious
- angela merici — Saint, 1474–1540, Italian ecclesiastic, founder of the Ursuline order.
- angiosarcomas — Plural form of angiosarcoma.
- anharmonicity — (mechanics) Of or pertaining to the deviation of a system from harmonicity (being a harmonic oscillator).
- animal starch — glycogen.
- anise camphor — anethole.
- anisometropic — relating to anisometropia
- ante-christum — before Christ. Abbreviation: A.C.
- anti-american — opposed to anything of or relating to the United States of America
- anti-macassar — a small covering, usually ornamental, placed on the backs and arms of upholstered furniture to prevent wear or soiling; a tidy.
- anti-monarchy — a state or nation in which the supreme power is actually or nominally lodged in a monarch. Compare absolute monarchy, limited monarchy.
- anti-romantic — of, relating to, or of the nature of romance; characteristic or suggestive of the world of romance: a romantic adventure.
- anticlinorium — a vast elongated anticline with its strata further folded into anticlines and synclines
- antiempirical — Going against what is empirically true.
- antimacassars — Plural form of antimacassar.
- antimicrobial — capable of destroying or inhibiting the growth of disease-causing microbes
- antirheumatic — acting against rheumatism
- antisymmetric — (of a relation) never holding between a pair of arguments x and y when it holds between y and x except when x = y, as "…is no younger than…"
- apoplectiform — of or resembling apoplexy or stroke.
- arab-american — a citizen or resident of the U.S. of Arab birth or descent.
- arabian camel — a domesticated camel, Camelus dromedarius, having one hump on its back and used as a beast of burden in the hot deserts of N Africa and SW Asia
- araeometrical — relating to araeometry
- archaeometric — relating to archaeometry
- archaic smile — a conventional representation of the mouth characterized by slightly upturned corners of the lips, found especially on Greek sculpture produced prior to the 5th century b.c.
- archeptolemus — (in the Iliad) the son of Iphitus who served as a charioteer for Hector.
- archimandrite — the head of a monastery or a group of monasteries
- aristocratism — the principles of aristocrats
- arithmetician — a person skilled in arithmetic
- armistice day — the anniversary of the signing of the armistice that ended World War I, on Nov 11, 1918, now kept on Remembrance Sunday
- armored cable — an electric cable having a metal protective covering
- armored scale — any of a family (Diaspididae) of scale insects characterized by a hard, waxy secretion that covers the body: many armored scales are serious pests of trees and shrubs
- ascertainment — to find out definitely; learn with certainty or assurance; determine: to ascertain the facts.
- astrodynamics — the study of the motion of natural and artificial bodies in space
- atka mackerel — a commercially important ocean greenling (Pleurogrammus monopterygius) of the northern Pacific, esp. the area off the Aleutian Islands
- atmospherical — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- atomic energy — nuclear energy
- atomic number — the number of protons in the nucleus of an atom of an element