12-letter words containing r, a, b
- birth family — one's biological parents and siblings, as contrasted with one's adoptive family.
- birth father — a biological mother (birth mother) or biological father (birth father) a biological parent.
- birth parent — a biological mother (birth mother) or biological father (birth father) a biological parent.
- birth trauma — an emotional shock caused by being born.
- birthday boy — the boy or man whose birthday is being celebrated
- biscay green — a yellowish green.
- biscuit ware — unglazed earthenware
- bismarck sea — an arm of the Pacific Ocean north of New Britain and north-east of New Guinea
- bitter aloes — a bitter purgative drug made from the leaves of several species of aloe
- bitter apple — colocynth
- bitter lakes — two lakes, the Great Bitter Lake and Little Bitter Lake in NE Egypt: part of the Suez Canal
- blabbermouth — a person who talks too much or indiscreetly
- black africa — Black Africa is the part of Africa to the south of the Sahara Desert.
- black bryony — a climbing herbaceous Eurasian plant, Tamus communis, having small greenish flowers and poisonous red berries: family Dioscoreaceae
- black butter — beurre noir.
- black cherry — a tree of the species Prunus serotina, having a small fleshy rounded edible fruit containing a hard stone
- black copper — a regulus of 95-percent-pure copper, produced in a blast furnace by smelting oxidized copper ores.
- black forest — wooded mountain region in SW Germany
- black friday — the day after the US Thanksgiving Day in late November, regarded as the start of the Christmas shopping season
- black grouse — a large N European grouse, Lyrurus tetrix, the male of which has a bluish-black plumage and lyre-shaped tail
- black heroin — a very potent and addictive form of heroin that is dark-colored.
- black letter — a kind of heavy-faced, ornamental printing type
- black liquor — (in making wood pulp for paper) the liquor that remains after digestion.
- black market — If something is bought or sold on the black market, it is bought or sold illegally.
- black papers — unofficial papers criticizing government policy
- black pepper — Black pepper is pepper which is dark in colour and has been made from the dried berries of the pepper plant, including their black outer cases.
- black pewter — pewter composed of 60 percent tin and 40 percent lead.
- black poplar — a Eurasian tree, Populus nigra
- black powder — gunpowder as used in sports involving modern muzzleloading firearms
- black prince — Edward2 (Prince of Wales)
- black scoter — a scoter of Eurasia and North America, Melanitta nigra, the adult male of which is black.
- black spruce — a coniferous tree, Picea mariana, of the northern regions of North America, growing mostly in cold bogs and having dark green needles
- black stream — a warm ocean current in the Pacific, flowing N along the E coast of Taiwan, NE along the E coast of Japan, and continuing in an easterly direction into the open Pacific.
- black sucker — a hog sucker, Hypentelium nigricans, of eastern U.S. streams.
- black-figure — pertaining to or designating a style of vase painting developed in Greece in the 7th and 6th centuries b.c., chiefly characterized by silhouetted figures painted in black slip on a red clay body, details incised into the design, and a two-dimensional structure of form and space.
- black-market — to black-marketeer.
- blackbirding — a common European thrush, Turdus merula, the male of which is black with a yellow bill.
- blackcurrant — In Europe, blackcurrants are a type of very small, dark purple fruits that grow in bunches on bushes.
- blackhearted — wicked; evil
- bladder fern — a small fern, Cystoperis fragilis, with graceful lanceolate leaves, typically growing on limestone rocks and walls
- bladder kelp — any of various giant brown algae with air bladders that buoy up the leafy portions
- bladder worm — an encysted saclike larva of the tapeworm. The main types are cysticercus, hydatid, and coenurus
- bladderwrack — any of several seaweeds of the genera Fucus and Ascophyllum, esp F. vesiculosus, that grow in the intertidal regions of rocky shores and have branched brown fronds with air bladders
- 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.
- blastosphere — blastula
- blatherskite — a talkative silly person
- blaue reiter — der Blaue Reiter. a group of German expressionist painters formed in Munich in 1911, including Kandinsky and Klee, who sought to express the spiritual side of man and nature, which they felt had been neglected by impressionism
- blaze orange — a very bright orange, as on a traffic cone.
- blazing star — a North American liliaceous plant, Chamaelirium luteum, with a long spike of small white flowers
- blennorrhoea — an excessive discharge of watery mucus, esp from the urethra or the vagina