12-letter words containing a, b, d, u
- bud mutation — a variation produced by a genetic alteration in the bud such that the seeds produced by the resulting growth perpetuate the change in succeeding generations.
- buffalo bird — a cowbird, Molothrus ater, of North America.
- bumbleheaded — clumsy, plodding, or foolish: He stumbled through the talk in his bumbleheaded way.
- bumper guard — either of two vertical crosspieces attached to a bumper of a motor vehicle to prevent it from locking bumpers with another vehicle.
- buoyancy aid — a type of usually foam-filled lifejacket designed for use in sports such as canoeing
- bur marigold — any plant of the genus Bidens that has yellow flowers and pointed fruits that cling to fur and clothing: family Asteraceae (composites)
- burial mound — a barrow
- burmese jade — jadeite of the finest quality: a true jade.
- burnt almond — a sweet consisting of an almond enclosed in burnt sugar
- bushy-tailed — bright-eyed and bushy-tailed, fresh, alert, eager, and lively
- butyric acid — type of acid
- buzzards bay — arm of the Atlantic, on the SE coast of Mass., at the base of Cape Cod peninsula
- chequerboard — Alternative spelling of checkerboard.
- child abuser — someone who abuses a child, esp someone convicted of this
- child labour — the full-time employment of children below a minimum age laid down by statute
- class b drug — (in Britain) any of the second most dangerous group of controlled drugs, including amphetamine
- cloud banner — banner cloud.
- coachbuilder — (historical) A builder of horse-drawn coaches.
- columbus day — Oct 12, a legal holiday in most states of the US: the date of Columbus' landing in the West Indies (Caribbean) in 1492
- compoundable — That can be compounded.
- confabulated — Simple past tense and past participle of confabulate.
- county board — the governing body of a U.S. county consisting usually of three or more elected members.
- daily double — a single bet on the winners of two named races in any one day's racing
- dak bungalow — (in India, formerly) a house where travellers on a dak route could be accommodated
- danube river — a river in central and SE Europe, flowing E from southern Germany to the Black Sea. 1725 miles (2775 km) long.
- day labourer — an unskilled worker hired and paid by the day
- deambulatory — a place for walking often with a covering overhead
- debaucheries — Plural form of debauchery.
- debaucherous — tending toward or involving debauchery, or excessive indulgence in sensual pleasures: a night of debaucherous fun.
- debrouillard — (one who is) skilled or resourceful at handling any difficulty
- decarburized — Simple past tense and past participle of decarburize.
- desublimated — Psychology. to divert the energy of (a sexual or other biological impulse) from its immediate goal to one of a more acceptable social, moral, or aesthetic nature or use.
- dialogue box — a window that may appear on a VDU display to prompt the user to enter further information or select an option
- dibenzofuran — an organic compound (C12H8O) composed of two benzene rings fused to a central furan ring
- disambiguate — to remove the ambiguity from; make unambiguous: In order to disambiguate the sentence “She lectured on the famous passenger ship,” you'll have to write either “lectured on board” or “lectured about.”.
- discountable — That can be discounted (in all senses).
- dishabituate — to cause to be no longer habituated or accustomed.
- disreputable — not reputable; having a bad reputation: a disreputable barroom.
- disreputably — In a disreputable manner.
- distributary — an outflowing branch of a stream or river, typically found in a delta (opposed to tributary).
- disturbances — Plural form of disturbance.
- disturbative — capable of disturbing
- documentable — a written or printed paper furnishing information or evidence, as a passport, deed, bill of sale, or bill of lading; a legal or official paper.
- donald budge — (John) Donald, 1915–2000, U.S. tennis player.
- double agent — a person who spies on a country while pretending to spy for it.
- double album — a commercial recording sold on two CDs or LPs
- double altar — an altar on which the Eucharist may be celebrated from either the liturgical east or the liturgical west side.
- double cream — (in France) a fresh, soft cheese with at least 60 percent fat, made from cow's milk enriched with cream.
- double eagle — a gold coin of the U.S., issued from 1849 to 1933, equal to 2 eagles or 20 dollars.
- double fault — (in tennis, squash, handball, etc.) two faults in succession, resulting in the loss of the point, the loss of the serve, or both.