12-letter words containing a, d, o, e
- ash-coloured — silver-grey in colour
- assortedness — the position of being sorted, grouped or harmonized with, well or badly, or provided with a good or bad assortment or mixture
- assumed bond — a bond issued by one corporation and assumed as an obligation by another.
- auctioneered — Simple past tense and past participle of auctioneer.
- audio system — integrated equipment for producing amplified sound, as in a hi-fi or a mobile disco, or as a public-address system on stage
- autodestruct — likely to or possessing the power to destroy or obliterate itself or its possessor
- autodiallers — Plural form of autodialler.
- bachelor pad — a flat in which a bachelor lives
- bachelorhood — the state of being a bachelor.
- back-stopped — a wall, wire screen, or the like, serving to prevent a ball from going too far beyond the normal playing area.
- backgrounded — Simple past tense and past participle of background.
- backgrounder — A backgrounder is a short article in a newspaper or magazine that provides background information about a particular subject.
- backwoodsmen — Plural form of backwoodsman.
- bacteriocide — Alternative form of bactericide.
- baden-powell — Robert Stephenson Smyth (smɪθ, smaɪθ), 1st Baron Baden-Powell. 1857–1941, British general, noted for his defence of Mafeking (1899–1900) in the Boer War; founder of the Boy Scouts (1908) and (with his sister Agnes) the Girl Guides (1910)
- baffle board — a plate or mechanical device designed to restrain or regulate the flow of a fluid, the emission of light or sound, or the distribution of sound, esp in a loudspeaker or microphone
- baked potato — a large potato baked in its skin
- baklava code — (humour, programming) Code with too many layers. Also known as Lasagne Code.
- ballad opera — an opera consisting of popular tunes to which appropriate words have been set, interspersed with spoken dialogue
- balladmonger — (formerly) a seller of ballads, esp on broadsheets
- band of hope — a society promoting lifelong abstention from alcohol among young people: founded in Britain in 1847
- banderillero — a bullfighter's assistant who sticks banderillas into the bull
- bandoneonist — One who plays the bandoneon.
- bank deposit — money placed in a bank account
- banner cloud — a plume-shaped cloud extending downwind from an isolated mountain peak. Also called cloud banner. Compare cap cloud (def 1).
- barium oxide — a white or yellowish-white poisonous heavy powder used esp as a dehydrating agent. Formula: BaO
- basidiospore — one of the spores, usually four in number, produced in a basidium
- basset hound — A basset hound is a dog with short strong legs, a long body, and long ears. It is kept as a pet or used for hunting.
- batter board — (at a building site) one of a number of boards set horizontally to support strings for outlining the foundation plan of a building.
- battleground — A battleground is the same as a battlefield.
- beaconsfield — a town in SE England, in Buckinghamshire. Pop: 12 292 (2001)
- bead molding — bead (def 12).
- 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.
- bed of nails — a situation or position of extreme difficulty
- belleau wood — a forest in N France: site of a battle (1918) in which the US Marines halted a German advance on Paris
- benzoic acid — a white crystalline solid occurring in many natural resins, used in the manufacture of benzoates, plasticizers, and dyes and as a food preservative (E210). Formula: C6H5COOH
- beyond reach — inaccessible
- black comedy — a comedy dealing with an unpleasant situation in a pessimistic or macabre manner
- black powder — gunpowder as used in sports involving modern muzzleloading firearms
- black-coated — (esp formerly) (of a worker) clerical or professional, as distinguished from commercial or industrial
- bladder worm — an encysted saclike larva of the tapeworm. The main types are cysticercus, hydatid, and coenurus
- blood orange — a variety of orange all or part of the pulp of which is dark red when ripe
- blood sample — an amount of a person's blood taken from their body for use in medical tests
- bloodstained — Someone or something that is bloodstained is covered with blood.
- bloomingdale — a town in NE Illinois.
- board member — a member of board of directors
- boarder baby — an infant or young child who is abandoned or orphaned and left in a hospital for lack of a foster home.
- body repairs — repairs to the bodywork of cars