12-letter words containing b, o, l, u
- binocularity — binocular characteristics
- biomolecular — relating to a biomolecule
- bit of fluff — a girl or young woman
- biting louse — any wingless insect of the order Mallophaga, such as the chicken louse: external parasites of birds and mammals with biting mouthparts
- blabbermouth — a person who talks too much or indiscreetly
- black grouse — a large N European grouse, Lyrurus tetrix, the male of which has a bluish-black plumage and lyre-shaped tail
- black liquor — (in making wood pulp for paper) the liquor that remains after digestion.
- black locust — Also called false acacia, yellow locust. a North American tree, Robinia pseudoacacia, of the legume family, having pinnate leaves and clusters of fragrant white flowers.
- black tongue — canine pellagra.
- blastulation — the process of blastula formation
- blockbusting — A blockbusting film or book is one that is very successful, usually because it is very exciting.
- blood supply — the flow of blood to different parts of the body
- blood volume — the total quantity of blood in the body
- bloodcurdler — something causing great fright or horror: a bloodcurdler of a mystery novel.
- bloodsucking — any animal that sucks blood, especially a leech.
- blow through — to leave; make off
- blue dogwood — a shrub or small tree, Cornus alternifolia, of eastern North America, having clusters of white flowers and bluish fruit.
- blue melilot — a European plant, Trigonella caerulea, of the legume family, having long-stalked clusters of blue and white flowers.
- blue norther — a cold north wind that brings rapidly falling temperatures.
- blue pointer — a large shark, Isuropsis mako, of Australian coastal waters, having a blue back and pointed snout
- blue stilton — a rich cheese made from whole milk, blue-veined and very strong in flavour
- blue succory — a composite garden plant, Catananche caerulea, of southern Europe, having very hairy leaves and blue flower heads, used by the ancients as a love potion.
- blue vitriol — the fully hydrated blue crystalline form of copper sulphate
- blue-blooded — A blue-blooded person is from a royal or noble family.
- blue-on-blue — of or relating to friendly fire
- bluestocking — A bluestocking is an intellectual woman.
- boatbuilding — Boatbuilding is the craft or industry of making boats.
- bodybuilding — Bodybuilding is the activity of doing special exercises regularly in order to make your muscles grow bigger.
- boiler house — a building housing a boiler
- boisterously — rough and noisy; noisily jolly or rowdy; clamorous; unrestrained: the sound of boisterous laughter.
- bolt upright — If someone is sitting or standing bolt upright, they are sitting or standing very straight.
- bootylicious — sexually attractive, esp with curvaceous buttocks
- borough hall — a building housing the administrative offices of a borough.
- boskop skull — a portion of a human skull found in South Africa, of undetermined relationship and geological age: formerly associated with a hypothetical Boskop race
- bottle gourd — an Old World cucurbitaceous climbing plant, Lagenaria siceraria, having large hard-shelled gourds as fruits
- boucherville — a town in S Quebec, in E Canada, near Montreal, on the St. Lawrence.
- boudin blanc — a boiled sausage made with light-colored meat, as veal or chicken, and without blood
- bougainville — an island in the W Pacific, in Papua New Guinea: the largest of the Solomon Islands: unilaterally declared independence in 1990; occupied by government troops in 1992, and granted autonomy in 2001. Chief town: Kieta. Area: 10 049 sq km (3880 sq miles)
- bouillon cup — a small, bowl-shaped vessel, with two handles, in which bouillon is served.
- boulangerite — a bluish lead-gray mineral, lead antimony sulfide, Pb 5 Sb 4 S 11 , a minor ore of lead.
- boulder clay — an unstratified glacial deposit consisting of fine clay, boulders, and pebbles
- bouleuterion — a council chamber in ancient Greece.
- boulevardier — (originally in Paris) a fashionable man, esp one who frequents public places
- bounce flash — a flash lamp designed to produce a bounced flash.
- bounce light — Also, bounce lighting. light that is bounced off a reflective surface onto the subject in order to achieve a softer lighting effect.
- bourne shell — (sh, Shellish). The original command-line interpreter shell and script language for Unix written by S.R. Bourne of Bell Laboratories in 1978. sh has been superseded for interactive use by the Berkeley C shell, csh but still widely used for writing shell scripts. There were even earlier shells, see glob. [Details?]
- bournonville — Auguste [French oh-gyst] /French oʊˈgüst/ (Show IPA), 1805–79, Danish ballet dancer and choreographer.
- breastplough — a plough driven by the worker's breast, often used to pare turf
- bristlemouth — any of several small, deep-sea fishes of the family Gonostomatidae, having numerous sharp, slender teeth covering the jaws.
- brush flower — a flower or inflorescence with numerous long stamens, usually pollinated by birds or bats