13-letter words containing m, a, u
- 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
- australianism — the Australian national character or spirit
- 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
- azurmalachite — a blue-green ornamental stone consisting of a mixture of azurite and malachite.
- back mutation — the reversion of a mutant to the original phenotype
- badminton cup — a long refreshing drink of claret with soda water and sugar
- balsam spruce — either of two North American coniferous trees of the genus Picea, P. pungens (the blue spruce) or P. engelmanni
- balsamiferous — yielding or producing balsam
- baluster stem — a stem of a drinking glass or the like having a gradual swelling near the top or bottom.
- band spectrum — a spectrum consisting of a number of bands of closely spaced lines that are associated with emission or absorption of radiation by molecules
- 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
- basic plumage — the plumage assumed by an adult bird at its complete, usually annual, molt.
- beat the drum — a musical percussion instrument consisting of a hollow, usually cylindrical, body covered at one or both ends with a tightly stretched membrane, or head, which is struck with the hand, a stick, or a pair of sticks, and typically produces a booming, tapping, or hollow sound.
- beau brummell — any dandy or fop
- bedaux system — a system of payment for work on the basis of the number of points of work done in a given amount of time, each point representing one minute of work on a given job at a normal rate of speed.
- beleaguerment — a blockade or siege
- benjamin-bush — Also called spice-wood. a yellow-flowered, North American shrub, Lindera benzoin, of the laurel family, whose bark and leaves have a spicy odor.
- bermuda grass — a widely distributed grass, Cynodon dactylon, with wiry creeping rootstocks and several purplish spikes of flowers arising from a single point: used for lawns, pasturage, binding sand dunes, etc
- bermuda onion — a large white or yellow onion with a mild flavor, grown in Texas, California, etc.
- biculturalism — the characteristics, or policy, of a two-cultured society
- bildungsroman — a novel concerned with a person's formative years and development
- bimolecularly — in a bimolecular fashion
- binary number — a number expressed in binary notation, as 1101.101 = 1 × 23 + 1 × 22 + 0 × 21 + 1 × 20 + 1 × 2–1 + 0 × 2–2 + 1 × 2–3 = 13 5⁄8
- bioaccumulate — (of substances, esp toxins) to build up within the tissues of organisms
- black muslims — (esp in the US) a political and religious movement of Black people who adopt the religious practices of Islam and seek to establish a new Black nation
- black mustard — a Eurasian plant, Brassica (or Sinapsis) nigra, with clusters of yellow flowers and pungent seeds from which the condiment mustard is made: family Brassicaceae (crucifers)
- blame culture — the tendency to look for one person or organization that can be held responsible for a bad state of affairs, an accident, etc
- 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).
- built-up mast — a wooden mast formed of several shaped, longitudinal pieces joined together.
- 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.
- bureaucratism — an official of a bureaucracy.