13-letter words containing m, o, i, r
- american bond — a brickwork bond having a course of headers between five or six courses of stretchers.
- american fork — a town in central Utah.
- amino radical — the univalent group, −NH 2 .
- aminoaciduria — the presence of amino acids in urine
- aminotriazole — a white, crystalline, soluble powder, NHNC(NH2)NCH, used for killing weeds or other undesired vegetation: a carcinogen
- ammonia water — ammonia (def 2).
- amor asteroid — one of a small group of asteroids whose orbits approach but do not cross that of the earth: named after the first such asteroid discovered (1932).
- amphiprostyle — (esp of a classical temple) having a set of columns at both ends but not at the sides
- amphitrichous — having a single flagellum at each end.
- amphitryon 38 — a play (1938) by Jean Giraudoux.
- amphotericins — Plural form of amphotericin.
- amplificatory — of the nature of enlargement or extension, as of a statement, narrative, etc.
- andrei markov — (person) 1856-1922. The Russian mathematician, after who Markov chains were named.
- androcentrism — centered on, emphasizing, or dominated by males or masculine interests: an androcentric society; an androcentric religion.
- androdioecism — the state of being androdioecious
- angiokeratoma — a skin disease characterized by clusters of dilated blood vessels and by thickened skin, forming warty growths, especially on the scrotum, fingers, and toes.
- angiosarcomas — Plural form of angiosarcoma.
- angiospermous — of or relating to an angiosperm; having enclosed seeds.
- Ångstrom unit — a unit of length equal to 10 −10 metre, used principally to express the wavelengths of electromagnetic radiations. It is equivalent to 0.1 nanometre
- anharmonicity — (mechanics) Of or pertaining to the deviation of a system from harmonicity (being a harmonic oscillator).
- animadversion — criticism or censure
- anise camphor — anethole.
- anisometropia — an imbalance in the power of the two eyes to refract light
- anisometropic — relating to anisometropia
- 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-morality — conformity to the rules of right conduct; moral or virtuous conduct.
- 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
- antiformalist — opposed to formalism
- antilogarithm — a number whose logarithm to a given base is a given number
- antimicrobial — capable of destroying or inhibiting the growth of disease-causing microbes
- antimodernism — modern character, tendencies, or values; adherence to or sympathy with what is modern.
- antimodernist — opposed to modernism
- antireformers — Plural form of antireformer.
- antiterrorism — opposed to or acting against terrorism; counterterrorist
- apogeotropism — negative geotropism, as shown by plant stems
- apoplectiform — of or resembling apoplexy or stroke.
- apportionment — the act of apportioning
- approximately — close to; around; roughly or in the region of
- approximating — Present participle of approximate.
- approximation — An approximation is a fact, object, or description which is similar to something else, but which is not exactly the same.
- approximative — (of a method, description, etc.) giving only an approximation to something.
- araeometrical — relating to araeometry
- archaeometric — relating to archaeometry
- argumentation — Argumentation is the process of arguing in an organized or logical way, for example in philosophy.
- aristocratism — the principles of aristocrats
- arithmophobia — the fear of numbers
- armor-plating — The armor-plating on a vehicle or building is the hard metal covering that is intended to protect it from gunfire and other missiles.
- aromatization — the conversion of aliphatic or alicyclic compounds to aromatic hydrocarbons.
- astrodynamics — the study of the motion of natural and artificial bodies in space