13-letter words containing a, r, c, m, i
- 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.
- 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
- 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
- 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
- atomic theory — any theory in which matter is regarded as consisting of atoms, esp that proposed by John Dalton postulating that elements are composed of atoms that can combine in definite proportions to form compounds
- audience room — a room for holding formal interviews or hearings.
- autapomorphic — (biology) Describing any characteristic that has evolved in only a single species (or other taxon).
- autoeroticism — the arousal and use of one's own body as a sexual object, as through masturbation
- azurmalachite — a blue-green ornamental stone consisting of a mixture of azurite and malachite.
- backformation — Alternative spelling of back-formation.
- barrier cream — a cream used to protect the skin, esp the hands, from dirt and from the action of oils or solvents
- biculturalism — the characteristics, or policy, of a two-cultured society
- bimolecularly — in a bimolecular fashion
- black skimmer — a black and white New World skimmer, Rynchops nigra, having a bill with a reddish-orange base.
- block diagram — a diagram showing the interconnections between the parts of an industrial process
- brace molding — keel1 (def 6).
- bureaucratism — an official of a bureaucracy.
- cabinet maker — A cabinet maker is a person who makes high-quality wooden furniture.
- cabinet-maker — a person who makes fine furniture and other woodwork.
- cabinetmakers — Plural form of cabinetmaker.
- cadmium green — a pigment used in painting, consisting of a mixture of hydrated oxide of chromium with cadmium sulfide, and characterized by its strong green color and slow drying rate.