9-letter words containing a, c, t, o
- castoreum — the oil secreted from the beaver which is used as bait by trappers
- castrator — One who castrates (gelds or neuters).
- castroism — the philosophy and policies of Fidel Castro and his followers
- castroist — of or relating to the philosophy and policies of Fidel Castro and his followers
- catabolic — destructive metabolism; the breaking down in living organisms of more complex substances into simpler ones, with the release of energy (opposed to anabolism).
- catacombs — an underground burial place, esp the galleries at Rome, consisting of tunnels with vaults or niches leading off them for tombs
- cataloged — a list or record, as of items for sale or courses at a university, systematically arranged and often including descriptive material: a stamp catalog.
- cataloger — a person, normally in a library, who catalogues literary materials
- catalogic — of the nature of or relating to a catalogue
- catalogue — A catalogue is a list of things such as the goods you can buy from a particular company, the objects in a museum, or the books in a library.
- catalonia — a region of NE Spain, with a strong separatist tradition: became an autonomous region with its own parliament in 1979; an important agricultural and industrial region, with many resorts. Pop: 7 012 600 (2003 est). Area: 31 929 sq km (12 328 sq miles)
- catamount — any of various medium-sized felines, such as the puma or lynx
- catanzaro — a city in S Italy, in Calabria. Pop: 95 251 (2001)
- cataphora — the use of a word such as a pronoun that has the same reference as a word used subsequently in the same discourse
- catatonia — a state of muscular rigidity and stupor, sometimes found in schizophrenia
- catatonic — If you describe someone as being in a catatonic state, you mean that they are not moving or responding at all, usually as a result of illness, shock, or drugs.
- catch dog — a dog used to help round up livestock.
- catch out — To catch someone out means to cause them to make a mistake that reveals that they are lying about something, do not know something, or cannot do something.
- catchpole — (in medieval England) a sheriff's officer who arrested debtors
- catchpoll — (formerly) a petty officer of justice, especially one arresting persons for debt.
- catchword — A catchword is a word or phrase that becomes popular or well-known, for example, because it is associated with a political campaign.
- catchwork — A simple irrigation system, used on sloping land, in which water from a stream or spring is fed in at the top and allowed to trickle down over a number of artificial terraces.
- categoric — Categoric means the same as categorical.
- catfooted — having feet resembling those of a cat.
- cathinone — (organic compound) The aromatic amine 2-amino-1-phenyl-1-propanone that is the active ingredient of khat.
- catholics — Plural form of Catholic.
- cathouses — Plural form of cathouse.
- catoptric — the branch of optics dealing with the formation of images by mirrors.
- causation — The causation of something, usually something bad, is the factors that have caused it.
- cautelous — crafty or cunning
- cautioned — alertness and prudence in a hazardous situation; care; wariness: Landslides ahead—proceed with caution.
- cautioner — A person who cautions.
- cautionry — the position or function of a surety, a person who protects and takes responsibility for another person
- caveators — a person who files or enters a caveat.
- cavorting — to prance or caper about.
- ceanothus — any shrub of the North American rhamnaceous genus Ceanothus: grown for their ornamental, often blue, flower clusters
- cenotaphs — Plural form of cenotaph.
- centonate — having many pieces or patches
- ceratodus — any of various extinct lungfish constituting the genus Ceratodus, common in Cretaceous and Triassic times
- certosina — a technique of inlaying light-colored material, as bone, ivory, metal, or pale wood, in elaborate designs on a dark ground.
- cessation — The cessation of something is the stopping of it.
- cetaceous — Relating to whales or more generally to any marine mammal of the order Cetacea.
- cetshwayo — ?1826–84, king of the Zulus (1873–79): defeated the British at Isandhlwana (1879) but was overwhelmed by them at Ulundi (1879); captured, he stated his case in London, and was reinstated as ruler of part of Zululand (1883)
- chaetopod — any annelid worm of the classes Oligochaeta or Polychaeta
- chalk out — to outline (a plan, scheme, etc); sketch
- chamosite — a mineral of the chlorite group, hydrous aluminum silicate of iron, occurring in gray or black crystals in oolitic iron ore.
- charleton — a male given name.
- charlotte — a baked dessert served hot or cold, commonly made with fruit and layers or a casing of bread or cake crumbs, sponge cake, etc
- charoseth — haroseth.
- chaseport — a porthole through which a gun was fired