12-letter words containing r, a, n, i
- 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 fancier — a person who keeps, breeds, or sells birds
- bird-brained — silly; stupid
- 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 parent — a biological mother (birth mother) or biological father (birth father) a biological parent.
- biscay green — a yellowish green.
- black heroin — a very potent and addictive form of heroin that is dark-colored.
- black prince — Edward2 (Prince of Wales)
- blackbirding — a common European thrush, Turdus merula, the male of which is black with a yellow bill.
- blazing star — a North American liliaceous plant, Chamaelirium luteum, with a long spike of small white flowers
- bletheration — nonsense!
- bliss carman — (William) Bliss, 1861–1929, Canadian poet and journalist in the U.S.
- bluesnarfing — the practice of using one Bluetooth-enabled mobile phone to steal contact details, ring tones, images, etc from another
- 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
- boardsailing — windsurfing
- boating trip — a trip or holiday in a boat such as a sailing boat or canal boat
- bodyboarding — the sport of surfing using a bodyboard
- boilermaking — metal-working in heavy industry; plating or welding
- boolean ring — a nonempty collection of sets having the properties that the union of two sets of the collection is a set in the collection and that the relative complement of each set with respect to any other set is in the collection.
- boomeranging — a bent or curved piece of tough wood used by the Australian Aborigines as a throwing club, one form of which can be thrown so as to return to the thrower.
- born-digital — relating to or noting documents, images, etc., that are created and managed in electronic form: electronic preservation of born-digital content; a born-digital e-book that will not be available in print.
- boulangerite — a bluish lead-gray mineral, lead antimony sulfide, Pb 5 Sb 4 S 11 , a minor ore of lead.
- brachycranic — having a cranial index of 81.0–85.4.
- bradykinesia — abnormal slowness of physical movement, esp as an effect of Parkinson's disease
- bradykinetic — slowness of movement, as found, for example, in Parkinson's disease.
- brain damage — If someone suffers brain damage, their brain is damaged by an illness or injury so that they cannot function normally.
- brain freeze — Also called ice-cream headache. a pain in the temples and forehead brought on by quickly consuming very cold food or drink.
- brain teaser — A brain teaser is a question, problem, or puzzle that is difficult to answer or solve, but is not serious or important.
- brain tumour — a tumour that is situated in the brain
- brain-picker — the act of obtaining information or ideas by questioning another person.
- brain-teaser — a puzzle or problem whose solution requires great ingenuity.
- brains trust — a group of knowledgeable people who discuss topics in public or on radio or television
- brainstormer — a person who brainstorms
- brainwashing — the process of brainwashing.
- brake lining — a curved thin strip of an asbestos composition riveted to a brake shoe to provide it with a renewable surface
- branch point — Electricity. a point in an electric network at which three or more conductors meet.
- braunschweig — Brunswick
- brazilianite — a mineral, sodium aluminum phosphate, Na 2 Al 6 P 4 O 16 (OH) 8 , occurring in yellow-green crystals with a vitreous luster: used as a gem.
- breadwinning — a person who earns a livelihood, especially one who also supports dependents.
- breakdancing — a type of vigorous dance
- breathtaking — If you say that something is breathtaking, you are emphasizing that it is extremely beautiful or amazing.
- brevipennate — (of flightless birds) short-winged
- brilliantine — a perfumed oil used to make the hair smooth and shiny
- bring action — to start a lawsuit
- bring around — If you bring someone around when they are unconscious, you make them become conscious again.
- bring to bay — to force into a position from which retreat is impossible
- brinkmanship — Brinkmanship is a method of behaviour, especially in politics, in which you deliberately get into dangerous situations which could result in disaster but which could also bring success.