12-letter words containing a, r, o, n
- barrow point — the northernmost tip of Alaska, on the Arctic Ocean
- baton charge — A baton charge is an attacking forward movement made by a large group of policemen carrying batons.
- battlefronts — Plural form of battlefront.
- battleground — A battleground is the same as a battlefield.
- be on a roll — to have a series of successes; go from success to success
- bean counter — You can describe people such as accountants and business managers as bean counters if you disapprove of them because you think they are only interested in money.
- bean sprouts — the sprouts of newly germinated mung beans, eaten as a vegetable, esp in Chinese dishes
- bean-shooter — peashooter.
- bear down on — to press down on; exert pressure on
- beardtongues — Plural form of beardtongue.
- bearing down — to hold up; support: to bear the weight of the roof.
- benzal group — the bivalent group C 7 H 6 –, derived from benzaldehyde.
- benzoapyrene — a carcinogenic chemical in tobacco smoke
- beta orionis — Rigel
- beta version — beta testing
- betacarotene — the most important form of the plant pigment carotene, which occurs in milk, vegetables, and other foods and, when eaten by man and animals, is converted in the body to vitamin A
- beyond reach — inaccessible
- binary color — secondary color.
- bingo caller — the person who shouts out the numbers to bingo players
- binocularity — binocular characteristics
- bio-organism — a dangerous fast-proliferating organism that could be used as the basis of a biological weapon
- bioastronomy — the branch of biology which deals with the study or the discovery of life forms on other planets or in space
- bioinorganic — pertaining to the biological activity of metal complexes and nonmetal compounds based on elements other than carbon (contrasted with bioorganic).
- biometrician — a person who is knowledgeable about biometry
- bioturbation — the stirring of sediment by organisms
- bipropellant — a rocket propellant consisting of two substances, usually a fuel and an oxidizer
- black bryony — a climbing herbaceous Eurasian plant, Tamus communis, having small greenish flowers and poisonous red berries: family Dioscoreaceae
- black heroin — a very potent and addictive form of heroin that is dark-colored.
- blanket roll — a blanket or sleeping bag rolled into a cylindrical pack for easy carrying and outdoor use by hikers, soldiers, cowboys, etc., often with cooking utensils, food, and personal articles carried inside.
- blaze orange — a very bright orange, as on a traffic cone.
- blennorrhoea — an excessive discharge of watery mucus, esp from the urethra or the vagina
- bletheration — nonsense!
- blood orange — a variety of orange all or part of the pulp of which is dark red when ripe
- 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
- body scanner — a machine using X-rays and a computer, used in medicine to look for signs of disease, or in security operations to look for drugs, weapons, etc
- bodyboarding — the sport of surfing using a bodyboard
- bog-standard — If you describe something as bog-standard you mean that is an ordinary example of its kind, with no exciting or interesting features.
- boilermaking — metal-working in heavy industry; plating or welding
- bond servant — a person who serves in bondage; slave.
- bonnyclabber — clotted or curdled milk
- 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.
- bound charge — any electric charge that is bound to an atom or molecule (opposed to free charge).
- bowel cancer — cancer of the colon
- boxgrove man — a type of primitive man, probably Homo heidelbergensis, and probably dating from the Middle Palaeolithic period some 500 000 years ago; remains were found at Boxgrove in West Sussex in 1993 and 1995