12-letter words containing a, c, e, s, o
- beachcombers — Plural form of beachcomber.
- beaconsfield — a town in SE England, in Buckinghamshire. Pop: 12 292 (2001)
- beam compass — an instrument for drawing large circles or arcs, consisting of a horizontal beam along which two vertical legs slide
- biomagnetics — the study of magnetic fields as a form of therapy
- biomechanics — the study of the mechanics of the movement of living organisms
- 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 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.
- blastocoelic — of or relating to the blastocoel
- blastomycete — any of a genus (Blastomyces) of yeastlike imperfect fungi that cause diseases in people and animals
- 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
- 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
- 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
- bounce flash — a flash lamp designed to produce a bounced flash.
- 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
- broca's area — the region of the cerebral cortex of the brain concerned with speech; the speech centre
- burseraceous — of, relating to, or belonging to the Burseraceae, a tropical family of trees and shrubs having compound leaves and resin or balsam in their stems. The family includes bdellium and some balsams
- cabbage rose — a rose, Rosa centifolia, with a round compact full-petalled head
- cadaverously — In a cadaverous manner.
- 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
- caenogenesis — the development of structures and organs in an embryo or larva that are adaptations to its way of life and are not retained in the adult form
- caesalpinoid — of, relating to, or belonging to the Caesalpinoideae, a mainly tropical subfamily of leguminous plants that have irregular flowers: includes carob, senna, brazil, cassia, and poinciana
- cafe society — people, esp intellectuals and artists who meet in cafés
- calcareously — in a calcareous manner
- calorescence — the absorption of radiation by a body, subsequently re-emitted at a higher frequency (lower wavelength)
- calorimeters — Plural form of calorimeter.
- calycoideous — calycoid
- camelopardus — a faint extensive constellation in the N hemisphere close to Ursa Major and Cassiopeia
- caméra stylo — the use of the camera as a means of personal expression, esp as practised by some directors of the New Wave
- cameraperson — a camera operator
- canada goose — A Canada goose is a grayish-brown wild goose that comes from North America.
- canine corps — a military or law enforcement body which uses dogs for the detection of explosives or drugs or for security, tracking, etc
- canned goods — tinned food produce
- canoe slalom — a competitive event in which a canoeist maneuvers through a slalom course, usually in white water.
- canonicalise — (transitive, computing, UK) Alternative form of canonicalize.
- canorousness — The quality of being musical.
- cantankerous — Someone who is cantankerous is always finding things to argue or complain about.
- canvas shoes — soft shoes with a canvas upper
- cape sounion — Cape, a cape in E central Greece, SE of Athens, at the tip of the Attica peninsula, in W Aegean Sea.
- cape sparrow — a sparrow, Passer melanurus, very common in southern Africa: family Ploceidae
- capillaceous — having numerous filaments resembling hairs or threads
- captiousness — The state of being captious.
- carbohydrase — a digestive enzyme that breaks down carbohydrates through hydrolysis
- carbon steel — steel whose characteristics are determined by the amount of carbon it contains
- carbonaceous — of, resembling, or containing carbon