12-letter words containing a, e, r, o, s, c
- bacon-slicer — a machine for cutting bacon into slices
- bacteriostat — any substance that arrests the growth or reproduction of bacteria but does not kill them
- barge course — the overhang of the gable end of a roof
- beachcombers — Plural form of beachcomber.
- 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 scoter — a scoter of Eurasia and North America, Melanitta nigra, the adult male of which is black.
- 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
- 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
- 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.
- 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.
- 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
- canine corps — a military or law enforcement body which uses dogs for the detection of explosives or drugs or for security, tracking, etc
- canorousness — The quality of being musical.
- cantankerous — Someone who is cantankerous is always finding things to argue or complain about.
- cape sparrow — a sparrow, Passer melanurus, very common in southern Africa: family Ploceidae
- 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
- carbonatites — Plural form of carbonatite.
- carol stream — a town in NE Illinois.
- case history — A person's case history is the record of past events or problems that have affected them, especially their medical history.
- cassel brown — Vandyke brown.
- cataphoreses — Plural form of cataphoresis.
- cataphoresis — electrophoresis
- catastrophes — Plural form of catastrophe.
- categorising — to arrange in categories or classes; classify.
- cater-cousin — a close friend
- cathode rays — a stream of electrons emitted from the surface of a cathode in a valve
- cattleperson — Someone who works with, or rears cattle.
- cauliflowers — Plural form of cauliflower.
- cedrelaceous — resembling or having the characteristics of a citron fruit
- celebrations — Plural form of celebration.
- centerboards — Plural form of centerboard.
- centimorgans — Plural form of centimorgan.
- ceratopsians — Plural form of ceratopsian.
- cerebrations — Plural form of cerebration.
- ceroplastics — the art of wax modelling
- chaetiferous — having bristles
- chain smoker — person: smokes heavily