13-letter words containing a, b, t, e
- biocompatible — not rejected by the body
- bioelectrical — relating to electrical current generated by biological activity
- bioequivalent — the condition in which different formulations of the same drug or chemical are equally absorbed when taken into the body.
- biosystematic — relating to biosystematics
- birectangular — having two right angles.
- birth parents — a child's biological parents, regardless of whether they subsequently bring up the child
- birthday cake — a special cake eaten at a birthday party
- biscuit bread — biscuits or a biscuit: I like biscuit bread more than corn bread for supper.
- bisectionally — from a bisectional point of view
- bitonal image — (graphics) An image consisting only of a foreground colour and a background colour. Compare monochrome.
- bitter almond — a variety of almond whose bitter seeds yield hydrocyanic acid upon hydrolysis
- bitter orange — a globose, reddish-yellow, bitter or sweet, edible citrus fruit.
- bl lac object — an extremely compact violently variable form of active galaxy
- black margate — a grayish grunt, Anisotremus surinamensis, of the Atlantic Ocean from Florida to Brazil.
- black panther — (in the US) a member of a militant Black political party (1965–82) founded to end the political dominance of White people
- black quarter — blackleg (def 1).
- black section — (in Britain in the 1980s) an unofficial group within the Labour Party in any constituency that represented the interests of local Black people
- black studies — a program of studies in black history and culture offered by a school or college, often including Afro-American history and black literature.
- black tracker — an Aboriginal tracker working for the police
- black treacle — molasses
- black vulture — the Eurasian vulture, Aegypius monachus, of the family Accipitridae
- black-hearted — evil, malicious, or wicked
- blaenau gwent — a county borough of SE Wales, created in 1996 from NW Gwent. Administrative centre: Ebbw Vale. Pop: 68 900 (2003 est). Area: 109 sq km (42 sq miles)
- 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
- blamestorming — a discussion or meeting for the purpose of assigning blame.
- blandishments — Blandishments are pleasant things that someone says to another person in order to persuade them to do something.
- blanket chest — a chest, with or without drawers, having a rectangular space under a lifting lid or top, used for storing blankets, bedding, or clothing.
- blanket sheet — a newspaper of larger than average size, common in the mid 19th century.
- blanketflower — a hardy flowering plant, Gaillardia aristata, that grows in the US
- blarney stone — a stone in Blarney Castle, in the SW Republic of Ireland, said to endow whoever kisses it with the gift of the gab and skill in flattery
- blast furnace — A blast furnace is a large structure in which iron ore is heated under pressure so that it melts and the pure iron metal separates out and can be collected.
- blastogenesis — the theory that inherited characteristics are transmitted only by germ plasm
- blaze a trail — to explore new territories, areas of knowledge, etc, in such a way that others can follow
- blepharoplast — a cylindrical cytoplasmic body in protozoa
- blood-stained — stained with blood: a bloodstained knife.
- blow a gasket — to burst out in anger
- blow the gaff — to divulge a secret
- blue asbestos — a common name for the mineral crocidolite, a variety of asbestos found in Africa and Australia
- board meeting — a meeting of the board of a company or other organization
- boat neckline — a wide, high neckline that follows the curve of the collarbone and ends in points on the shoulder seams.
- body snatcher — (formerly) a person who robbed graves and sold the corpses for dissection
- bohr magneton — a unit that is used to indicate the magnetic moment of the electron structure in an atom, equal to 9.27 × 10 −21 erg/gauss.
- bomber jacket — A bomber jacket is a short jacket which is gathered into a band at the waist or hips.
- bonanza state — a name for the state of Montana
- booby-trapped — (of a building, vehicle, etc) planted with a booby trap
- booking agent — an agent who makes bookings, as reservations for travel or the theater or engagements for performers, for clients.
- boom operator — a person who operates a boom
- booster cable — either of a pair of electric cables having clamps at each end and used for starting the engine of a vehicle whose battery is dead.
- bootlace worm — a nemertean worm, Lineus longissimus, that inhabits shingly shores and attains lengths of over 6 m (20 ft)
- border patrol — a government agency in charge of preventing terrorists, weapons, and illegal immigrants entering the country