12-letter words containing a, c, t, o
- beta blocker — A beta blocker is a drug which is used to treat people who have high blood pressure or heart problems.
- 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
- bibliothecal — relating to a bibliotheca
- bicollateral — (of a vascular bundle) having two phloem groups to the inside and outside, respectively, of the xylem
- bifunctional — having two functions
- binocularity — binocular characteristics
- bioacoustics — the study of animals' use of sound
- biomagnetics — the study of magnetic fields as a form of therapy
- biometrician — a person who is knowledgeable about biometry
- biotechnical — relating to biotechnology
- black bottom — a dance of the late 1920s that originated in America, involving a sinuous rotation of the hips
- black forest — wooded mountain region in SW Germany
- 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 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.
- boletic acid — fumaric acid.
- bomb factory — a site or building in which terrorists illicitly and secretly create bombs
- 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.
- boxing match — a competition between two boxers
- 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
- branch point — Electricity. a point in an electric network at which three or more conductors meet.
- breed of cat — type; sort; variety: The new airplane is a completely different breed of cat from any that has been designed before.
- bring action — to start a lawsuit
- broadcasting — Broadcasting is the making and sending out of television and radio programmes.
- bromoacetone — a colorless and highly toxic liquid, CH 2 BrCOCH 3 , used as a lachrymatory compound in tear gas and chemical warfare gas.
- bucket about — (esp of a boat in a storm) to toss or shake violently
- bullock cart — a cart pulled by one or two bullocks
- bunco artist — a confidence trickster or con artist
- cabbage moth — a common brownish noctuid moth, Mamestra brassicae, the larva of which is destructive of cabbages and other plants
- cabot strait — a channel in Canada, connecting the Gulf of St. Lawrence with the Atlantic Ocean. 68 miles (109 km) wide.
- cacao butter — cocoa butter
- cachinnation — raucous laughter
- cachinnatory — Pertaining to loud or immoderate laughter.
- cactoblastis — a moth, Cactoblastis cactorum of South America, that was introduced into Australia to act as a biological control on the prickly pear
- cadent house — any of the four houses that precede the angles: the third, sixth, ninth, and twelfth houses, which correspond, respectively, to neighborhood and relatives, work and health, philosophy and foreign travel, and secret matters and service to others.
- cadet school — a training establishment for cadets in the army
- cafe society — people, esp intellectuals and artists who meet in cafés
- calamitously — In a calamitous manner.
- calculations — Plural form of calculation.
- calibrations — Plural form of calibration.