12-letter words containing a, b, i, t
- bien pensant — a right-thinking person
- biflagellate — having two flagella
- bifunctional — having two functions
- biker jacket — a short, close-fitting leather jacket with zips and studs, often worn by motorcyclists
- bilateralism — the practice of being bilateral
- bilinguality — the ability to speak two languages fluently.
- billingsgate — the largest fish market in London, on the N bank of the River Thames; moved to new site at Canary Wharf in 1982 and the former building converted into offices
- binary digit — either of the two digits 0 or 1, used in binary notation
- binge eating — the practice of eating excessive amounts of food over a short period of time
- binocularity — binocular characteristics
- bioacoustics — the study of animals' use of sound
- bioastronomy — the branch of biology which deals with the study or the discovery of life forms on other planets or in space
- biomagnetics — the study of magnetic fields as a form of therapy
- biomagnetism — animal magnetism.
- biometrician — a person who is knowledgeable about biometry
- biosatellite — an artificial satellite for carrying living organisms
- biotechnical — relating to biotechnology
- bioturbation — the stirring of sediment by organisms
- biparentally — from a biparental point of view
- bipropellant — a rocket propellant consisting of two substances, usually a fuel and an oxidizer
- bird watcher — a person who identifies and observes birds in their natural habitat as a recreation.
- bird-watcher — A bird-watcher is a person whose hobby is watching and studying wild birds in their natural surroundings.
- birket karun — a lake in N Egypt. 25 miles (40 km) long; about 5 miles (8 km) wide; 90 sq. mi. (233 sq. km).
- birth family — one's biological parents and siblings, as contrasted with one's adoptive family.
- birth father — a biological mother (birth mother) or biological father (birth father) a biological parent.
- birth parent — a biological mother (birth mother) or biological father (birth father) a biological parent.
- birth trauma — an emotional shock caused by being born.
- birthday boy — the boy or man whose birthday is being celebrated
- biscuit ware — unglazed earthenware
- biting mania — an epidemic in which people have a compulsion to bite others, as in 15th-century Germany, Italy, and the Netherlands.
- biting stage — the second part of the oral phase of psychosexual development, approximately 8 to18 months of age, during which a child has the urge to bite or chew objects.
- bitter aloes — a bitter purgative drug made from the leaves of several species of aloe
- bitter apple — colocynth
- bitter lakes — two lakes, the Great Bitter Lake and Little Bitter Lake in NE Egypt: part of the Suez Canal
- black knight — a person or firm that makes an unwelcome takeover bid for a company
- blandishment — the act of blandishing; cajolery
- blastocoelic — of or relating to the blastocoel
- blastulation — the process of blastula formation
- blatherskite — a talkative silly person
- blaue reiter — der Blaue Reiter. a group of German expressionist painters formed in Munich in 1911, including Kandinsky and Klee, who sought to express the spiritual side of man and nature, which they felt had been neglected by impressionism
- blazing star — a North American liliaceous plant, Chamaelirium luteum, with a long spike of small white flowers
- bletheration — nonsense!
- blister pack — a type of packet in which small items are displayed and sold, consisting of a transparent dome of plastic or similar material mounted on a firm backing such as cardboard
- bloodstained — Someone or something that is bloodstained is covered with blood.
- blotting-pad — an object to one side of which a piece of blotting paper is attached for blotting text handwritten in ink
- blue catfish — a large freshwater catfish, Ictalurus furcatus, that is a popular food fish in the states of the Mississippi River valley.
- bluefin tuna — the largest tuna (Thunnus thynnus): it has bright red flesh and is important as a game and food fish
- blues guitar — blues guitar music
- boar-hunting — the practice of hunting wild boars
- boarding out — the local-authority practice of placing a client in a foster family or voluntary establishment and paying for it