12-letter words containing a, b, e, c, o
- beta-blocker — any of various substances that interfere with the action of the beta receptors: used primarily to reduce the heart rate or force in the prevention, management, or treatment of angina, hypertension, or arrythmias.
- 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
- bibliothecal — relating to a bibliotheca
- bicollateral — (of a vascular bundle) having two phloem groups to the inside and outside, respectively, of the xylem
- bingo caller — the person who shouts out the numbers to bingo players
- biomagnetics — the study of magnetic fields as a form of therapy
- biomechanics — the study of the mechanics of the movement of living organisms
- biometrician — a person who is knowledgeable about biometry
- biomolecular — relating to a biomolecule
- biotechnical — relating to biotechnology
- black coffee — coffee with no milk, milk substitute, or cream added
- 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 forest — wooded mountain region in SW Germany
- 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 powder — gunpowder as used in sports involving modern muzzleloading firearms
- black sapote — a tropical American tree, Diospyros digyna, related to the persimmon, having sweet, edible, green fruit that turns black when ripe.
- black scoter — a scoter of Eurasia and North America, Melanitta nigra, the adult male of which is black.
- black tongue — canine pellagra.
- black-coated — (esp formerly) (of a worker) clerical or professional, as distinguished from commercial or industrial
- blastocoelic — of or relating to the blastocoel
- blastomycete — any of a genus (Blastomyces) of yeastlike imperfect fungi that cause diseases in people and animals
- block heater — an electrically operated immersion heater fitted either to enter the water hose or the water jacket surrounding the cylinder block of a motor to warm the coolant in cold weather.
- bobbery pack — a mixed pack of hunting dogs, often not belonging to any of the hound breeds
- body scanner — a machine using X-rays and a computer, used in medicine to look for signs of disease, or in security operations to look for drugs, weapons, etc
- boghead coal — compact bituminous coal that burns brightly and yields large quantities of tar and oil upon distillation.
- boletic acid — fumaric acid.
- bombacaceous — of, relating to, or belonging to the Bombacaceae, a family of tropical trees, including the kapok tree and baobab, that have very thick stems, often with water-storing tissue
- bombe glacée — a dessert of ice cream lined or filled with custard, cake crumbs, etc
- boniface iii — pope a.d. 607.
- boniface vii — antipope a.d. 974, 984–985.
- bonne chance — good luck
- bonnyclabber — clotted or curdled milk
- book matches — safety matches made of paper and fastened into a small cardboard folder
- boot-scraper — a contraption consisting of an upright metal shape formerly placed outside some houses to enable people to scrape the mud from their boots before going in
- borosilicate — a salt of boric and silicic acids
- botticellian — Sandro [san-droh,, sahn-;; Italian sahn-draw] /ˈsæn droʊ,, ˈsɑn-;; Italian ˈsɑn drɔ/ (Show IPA), (Alessandro di Mariano dei Filipepi) 1444?–1510, Italian painter.
- boulder clay — an unstratified glacial deposit consisting of fine clay, boulders, and pebbles
- bounce flash — a flash lamp designed to produce a bounced flash.
- bound charge — any electric charge that is bound to an atom or molecule (opposed to free charge).
- bowel cancer — cancer of the colon
- box lacrosse — a form of lacrosse played indoors, usually on a hockey rink with a wooden floor, between two teams of six players.
- brachycerous — (of insects) having short antennae
- bracket foot — a corner foot of a chest or the like joining the sides in a concave line.
- branch depot — one of a several depots receiving stock from the same central supplier
- breechloader — any gun loaded at the breech
- breed of cat — type; sort; variety: The new airplane is a completely different breed of cat from any that has been designed before.
- broca's area — the region of the cerebral cortex of the brain concerned with speech; the speech centre