12-letter words containing ac
- bacteria bed — a layer of sand or gravel used to expose sewage effluent, in its final stages, to air and the action of microorganisms
- bactericidal — any substance capable of killing bacteria.
- bactericides — Plural form of bactericide.
- bacteriocide — Alternative form of bactericide.
- bacteriology — Bacteriology is the science and the study of bacteria.
- bacteriostat — any substance that arrests the growth or reproduction of bacteria but does not kill them
- balsamaceous — any of various fragrant exudations from certain trees, especially trees of the genus Commiphora, as balm-of-Gilead. Compare balm (def 1).
- banach space — a vector space on which a norm is defined that is complete.
- bank account — A bank account is an arrangement with a bank which allows you to keep your money in the bank and to take some out when you need it.
- barrack life — the experiences, activities, etc that are characteristic of a soldier's time spent dwelling in a barracks
- barrack room — a room inside a military barracks, esp one in which soldiers sleep
- barracks bag — a large bag containing a soldier's personal belongings and equipment
- bathtub race — a sailing race between bathtubs fitted with outboard motors
- batter brace — a diagonal brace reinforcing one end of a truss.
- battery acid — acid used in batteries, esp car batteries
- beach-comber — a person who lives by gathering salable articles of jetsam, refuse, etc., from beaches.
- beach-la-mar — an English-based creole language spoken in Vanuatu and Fiji, and formerly much more widespread
- beachcombers — Plural form of beachcomber.
- beachcombing — The action of a beachcomber.
- beacon light — a light signal for shipping
- beaconsfield — a town in SE England, in Buckinghamshire. Pop: 12 292 (2001)
- beaten track — well-trodden path or route
- beef extract — a soluble paste of beef or beef blood extracts.
- behenic acid — a crystalline, saturated fatty acid, C 22 H 44 O 2 , obtained from plant sources, used chiefly in the manufacture of cosmetics, waxes, and plasticizers.
- belly-aching — Informal. a pain in the abdomen or bowels.
- benefactress — a female benefactor
- 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
- bespectacled — Someone who is bespectacled is wearing glasses.
- betacarotene — the most important form of the plant pigment carotene, which occurs in milk, vegetables, and other foods and, when eaten by man and animals, is converted in the body to vitamin A
- beyond reach — inaccessible
- bibliomaniac — excessive fondness for acquiring and possessing books.
- bicycle race — cycling (def 2).
- bicycle rack — a metal frame for securing bicycles when they are not in use
- biker jacket — a short, close-fitting leather jacket with zips and studs, often worn by motorcyclists
- bioacoustics — the study of animals' use of sound
- black acacia — a tall Australian tree, Acacia melanoxylon, of the legume family, having cream-yellow flowers and yielding a very light wood.
- black africa — Black Africa is the part of Africa to the south of the Sahara Desert.
- black balsam — Peru balsam.
- black beauty — a Biphetamine capsule.
- black beetle — another name for the oriental cockroach
- black bottom — a dance of the late 1920s that originated in America, involving a sinuous rotation of the hips
- black bryony — a climbing herbaceous Eurasian plant, Tamus communis, having small greenish flowers and poisonous red berries: family Dioscoreaceae
- black butter — beurre noir.
- black canyon — a canyon of the Colorado River between Arizona and Nevada: site of Boulder Dam.
- black cherry — a tree of the species Prunus serotina, having a small fleshy rounded edible fruit containing a hard stone
- black coffee — coffee with no milk, milk substitute, or cream added
- black cohosh — a plant of the ranunculaceous family, Cimicifuga racemosa, which is used as a natural alternative to hormone replacement therapy
- black comedy — a comedy dealing with an unpleasant situation in a pessimistic or macabre manner
- black copper — a regulus of 95-percent-pure copper, produced in a blast furnace by smelting oxidized copper ores.
- black cosmos — a garden plant, Cosmos diversifolius, of Mexico, having small, dahlialike tubers and solitary flower heads with red disk flowers and velvety, dark-red or purplish ray flowers.