9-letter words containing a, c, t, o, s
- autocross — a form of motor sport in which cars race over a half-mile circuit of rough grass
- autoecism — the development of the entire life cycle of a parasitic fungus on a single host or group of hosts.
- autofocus — a device that focuses a lens, camera, etc. automatically
- autoicous — (of plants, esp mosses) having male and female reproductive organs on the same plant
- autolycus — a crater in the NW quadrant of the moon about 38 km in diameter and 3000 m deep
- autoscope — An optical instrument for examining one's own eye.
- autoscopy — the experience of hallucination in which one sees oneself from outside one's own body
- backstops — Plural form of backstop.
- backstory — the events which take place before, and which help to bring about, the events portrayed in a film
- base coat — the first coat of paint applied to a prepared surface
- basestock — Refined petroleum oil with no additives.
- bicoastal — Someone or something that is bicoastal lives or occurs on both the east coast and the west coast of the U.S.
- biostatic — the branch of biology dealing with the structure of organisms in relation to their functions (opposed to biodynamics).
- bombastic — If you describe someone as bombastic, you are criticizing them for trying to impress other people by saying things that sound impressive but have little meaning.
- bookstack — Usually, bookstacks. stack (def 4).
- bop stack — A BOP stack is one of two or more units which control well pressure, and contain the wellhead and blowout preventers.
- broadcast — A broadcast is a programme, performance, or speech on the radio or on television.
- bush coat — a belted, hip-length, shirtlike jacket, usually with four patch pockets and a notched collar, adapted from the hunting coat customarily worn in the African bush.
- c rations — tinned food formerly issued in packs to US soldiers
- cachepots — Plural form of cachepot.
- cacoepist — One who engages in cacoepy, especially frequently.
- cacoethes — an uncontrollable urge or desire, esp for something harmful; mania
- callosity — hardheartedness
- callowest — Superlative form of callow.
- calotypes — Plural form of calotype.
- campstool — a lightweight folding stool
- canoeists — Plural form of canoeist.
- cantonese — Cantonese means belonging or relating to the Chinese provinces of Canton (Guangdong in Mandarin).
- cantonise — divide into cantons
- canzonets — Plural form of canzonet.
- capotasto — capo1 .
- capstones — Plural form of capstone.
- cardstock — paper stock stiff enough for the printing of business cards and similar uses.
- cariosity — (medicine) caries.
- carnosity — an abnormal fleshy protrusion growing on any part of the body
- carotenes — Plural form of carotene.
- carothers — Wallace Hume1896-1937; U.S. chemist
- carrycots — Plural form of carrycot.
- carthorse — A carthorse is a large, powerful horse that is used to pull carts or farm machinery.
- cartloads — Plural form of cartload.
- case shot — a quantity of small projectiles enclosed in a single case, as a shrapnel shell, for firing from a gun
- caseation — the formation of cheese from casein during the coagulation of milk
- cashpoint — A cashpoint is the same as a cash dispenser.
- cassation — (esp in France) annulment, as of a judicial decision by a higher court
- cassoulet — a stew originating from France, made from haricot beans and goose, duck, pork, etc
- cast down — If someone is cast down by something, they are sad or worried because of it.
- cast iron — Cast iron is iron which contains a small amount of carbon. It is hard and cannot be bent so it has to be made into objects by casting.
- cast-iron — made of cast iron.
- castellón — seaport in E Spain, on the Mediterranean: pop. 133,000
- castoreum — the oil secreted from the beaver which is used as bait by trappers