13-letter words containing a, m, o, u
- archeptolemus — (in the Iliad) the son of Iphitus who served as a charioteer for Hector.
- argumentation — Argumentation is the process of arguing in an organized or logical way, for example in philosophy.
- armour-bearer — a retainer who carried the arms or armour of a warrior
- armour-plated — An armour-plated vehicle or building has a hard metal covering in order to protect it from gunfire and other missiles.
- assumptionist — Augustinian of the Assumption.
- atomic number — the number of protons in the nucleus of an atom of an element
- atomic volume — the atomic weight (relative atomic mass) of an element divided by its density
- audience room — a room for holding formal interviews or hearings.
- augmentations — Plural form of augmentation.
- auguste comte — (Isidore) Auguste (Marie François) [ee-zee-dawr oh-gyst ma-ree frahn-swa] /i ziˈdɔr oʊˈgüst maˈri frɑ̃ˈswa/ (Show IPA), 1798–1857, French founder of the philosophical system of positivism.
- aum shinrikyo — a syncretistic Japanese cult combining elements of Buddhism, Hinduism, and Christianity, founded by Shoko Asahara in 1986; responsible for a number of murders and in particular a nerve-gas attack on the Tokyo underground in 1995
- autapomorphic — (biology) Describing any characteristic that has evolved in only a single species (or other taxon).
- autodidactism — Alternative form of autodidacticism.
- autoeroticism — the arousal and use of one's own body as a sexual object, as through masturbation
- automagically — automatically; in a way that is hidden from or not understood by the user, and in that sense, apparently “magical”: I downloaded an app that automagically adds a travel itinerary to my calendar whenever I buy a plane ticket.
- automatically — without volition or from force of habit; mechanically: Whenever I hear that song, I automatically think of my dad.
- automatograph — a device for recording involuntary bodily movements.
- automatonlike — Like an automaton; robotic.
- automechanism — an automatic mechanical system or component, especially a device that operates automatically under predetermined conditions.
- autonomically — autonomous.
- autoradiogram — autoradiograph
- autoschediasm — anything done with little forethought or preparation
- autumn crocus — a liliaceous plant, Colchicum autumnale, of Europe and N Africa having pink or purplish autumn flowers
- back mutation — the reversion of a mutant to the original phenotype
- badminton cup — a long refreshing drink of claret with soda water and sugar
- balsamiferous — yielding or producing balsam
- bankrupt worm — a roundworm (genus Trichostrongylus) that is an intestinal parasite of birds and mammals, especially devastating to young livestock.
- barium yellow — a yellow, crystalline compound, BaCrO 4 , used as a pigment (barium yellow)
- baryon number — the number of baryons in a system minus the number of antibaryons
- bermuda onion — a large white or yellow onion with a mild flavor, grown in Texas, California, etc.
- bildungsroman — a novel concerned with a person's formative years and development
- bimolecularly — in a bimolecular fashion
- bioaccumulate — (of substances, esp toxins) to build up within the tissues of organisms
- blasphemously — uttering, containing, or exhibiting blasphemy; irreverent; profane.
- board measure — a system of units for measuring wood based on the board foot. 1980 board feet equal one standard
- boom-and-bust — characteristic of a period of economic prosperity followed by a depression.
- bosman ruling — an EU ruling that allows out-of-contract footballers to leave their clubs without the clubs receiving a transfer fee
- brigham young — Andrew (Jackson, Jr.) born 1932, U.S. clergyman, civil-rights leader, politician, and diplomat: mayor of Atlanta, Georgia, 1981–89.
- brown mustard — black mustard. See under mustard (def 2).
- bumble around — When someone bumbles around or bumbles about, they behave in a confused, disorganized way, making mistakes and usually not achieving anything.
- bums on seats — If the organizers of an event such as a concert want to put bums on seats, they want a lot of people to attend it.
- businesswoman — A businesswoman is a woman who works in business.
- caesium clock — a type of atomic clock that uses the frequency of radiation absorbed in changing the spin of electrons in caesium atoms
- calcium oxide — a white crystalline base used in the production of calcium hydroxide and bleaching powder and in the manufacture of glass, paper, and steel. Formula: CaO
- calcium-oxide — Also called burnt lime, calcium oxide, caustic lime, calx, quicklime. a white or grayish-white, odorless, lumpy, very slightly water-soluble solid, CaO, that when combined with water forms calcium hydroxide (slaked lime) obtained from calcium carbonate, limestone, or oyster shells: used chiefly in mortars, plasters, and cements, in bleaching powder, and in the manufacture of steel, paper, glass, and various chemicals of calcium.
- camphoraceous — similar to camphor
- campus police — police officers, security guards or students employed by a college or university to patrol the campus and to protect students, staff, and visitors
- carbonium ion — type of positively charged organic ion
- carcinomatous — a malignant and invasive epithelial tumor that spreads by metastasis and often recurs after excision; cancer.
- cash customer — a purchaser who pays cash rather than by check, credit card, or charge account.