12-letter words containing a, m, b, r
- bladder worm — an encysted saclike larva of the tapeworm. The main types are cysticercus, hydatid, and coenurus
- bliss carman — (William) Bliss, 1861–1929, Canadian poet and journalist in the U.S.
- board member — a member of board of directors
- bog rosemary — any of several species (genus Andromeda) of evergreen shrubs of the heath family, native to cold bogs of North America and Europe, with pink flowers and narrow leaves
- boilermaking — metal-working in heavy industry; plating or welding
- bomb factory — a site or building in which terrorists illicitly and secretly create bombs
- boomer state — Oklahoma
- 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.
- bottom break — a branch coming from the bottom of a plant stem, usually formed by pinching and disbudding.
- bottom grass — any grass that grows on bottoms or lowlands.
- bottom quark — a type of quark with a mass of c. 4.7 to 5.3 GeV/c2, a negative charge that is 1⁄3 the charge of an electron, zero charm, and zero strangeness
- 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
- braced frame — a building frame employing a heavy, braced framework of solid girts mortised into solid posts the full height of the frame, with studs one story high filling the interstices.
- bracket lamp — a wall light that is attached to the wall by a bracket
- bradmanesque — (of a batsman or innings) reminiscent of Sir Don Bradman in terms of dominance over the opposing bowlers
- brahma samaj — a modern Hindu movement advocating a monotheistic religion based on the Upanishads, and social and educational reforms according to Western principles.
- brahmacharya — the stage of life of the student, entailing study of the Vedas and complete celibacy, usually lasting for twelve years.
- brain damage — If someone suffers brain damage, their brain is damaged by an illness or injury so that they cannot function normally.
- brain tumour — a tumour that is situated in the brain
- brainstormer — a person who brainstorms
- brambleberry — the fruit of a bramble.
- breastsummer — a girder extending across a large opening in a building to support the wall above, used primarily over shop-fronts
- brigham city — a city in N Utah.
- 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.
- british warm — an army officer's short thick overcoat
- broad jumper — a participant in the long jump.
- broad-minded — If you describe someone as broad-minded, you approve of them because they are willing to accept types of behaviour which other people consider immoral.
- bromoacetone — a colorless and highly toxic liquid, CH 2 BrCOCH 3 , used as a lachrymatory compound in tear gas and chemical warfare gas.
- bromomethane — methyl bromide.
- bronchospasm — an abnormal contraction of the bronchi resulting in restriction of the airway
- bronze medal — A bronze medal is a medal made of bronze or bronze-coloured metal that is given as a prize to the person who comes third in a competition, especially a sports contest.
- bumper guard — either of two vertical crosspieces attached to a bumper of a motor vehicle to prevent it from locking bumpers with another vehicle.
- bumping race — (esp at Oxford and Cambridge) a race in which rowing eights start an equal distance one behind the other and each tries to bump the boat in front
- 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
- buy the farm — a tract of land, usually with a house, barn, silo, etc., on which crops and often livestock are raised for livelihood.
- cabinetmaker — A cabinetmaker is a person who makes high-quality wooden furniture.
- cam ranh bay — an inlet of the South China Sea, on the SE coast of Vietnam: U. S. military facility during the Vietnam War.
- camber piece — a centering for a flat arch, slightly crowned to allow for settling of the arch.
- camphor ball — mothball
- carbamylurea — biuret.
- chamber tomb — a prehistoric tomb with a chamber inside it in which the body of an important person was laid to rest
- chamberlains — Plural form of chamberlain.
- chambermaids — Plural form of chambermaid.
- chambersburg — a city in central Pennsylvania.
- chimneyboard — a partition or a cover to shut off a fireplace
- chlorambucil — an alkylating drug derived from nitrogen mustard, administered orally in the treatment of leukaemia and other malignant diseases. Formula: C14H19Cl2NO2
- chromophobia — Lb biology The quality of being resistant to staining.