9-letter words containing a, c, t, o, s
- cocoanuts — Plural form of cocoanut.
- coelostat — an astronomical instrument consisting of a plane mirror mounted parallel to the earth's axis and rotated about this axis once every two days so that light from a celestial body, esp the sun, is reflected onto a second mirror, which reflects the beam into a telescope
- cofactors — Plural form of cofactor.
- cogitates — Third-person singular simple present indicative form of cogitate.
- cognisant — a frequent misspelling of cognizant.
- cohobates — Third-person singular simple present indicative form of cohobate.
- collagist — a technique of composing a work of art by pasting on a single surface various materials not normally associated with one another, as newspaper clippings, parts of photographs, theater tickets, and fragments of an envelope.
- collators — Plural form of collator.
- colorants — Plural form of colorant.
- colorcast — a television broadcast in color
- colorfast — A fabric that is colorfast has a color that will not get paler when the fabric is washed or worn.
- colostral — a yellowish liquid, especially rich in immune factors, secreted by the mammary gland of female mammals a few days before and after the birth of their young.
- combaters — Plural form of combater.
- comitatus — a retinue of warriors serving a leader, esp in pre-Christian Germanic cultures, such as Anglo-Saxon England and Viking Age Scandinavia
- commatism — Conciseness in writing.
- compleats — Third-person singular simple present indicative form of compleat.
- conations — Plural form of conation.
- conestoga — a large, heavy, broad-wheeled covered wagon, used especially for transporting pioneers and freight across North America during the early westward migration.
- conflates — Third-person singular simple present indicative form of conflate.
- consolate — to console (a person)
- consonant — A consonant is a sound such as 'p', 'f', 'n', or 't' which you pronounce by stopping the air flowing freely through your mouth. Compare vowel.
- consortia — a combination of financial institutions, capitalists, etc., for carrying into effect some financial operation requiring large resources of capital.
- constable — In Britain and some other countries, a constable is a police officer of the lowest rank.
- constance — a city in S Germany, in Baden-Württemberg on Lake Constance: tourist centre. Pop: 80 716 (2003 est)
- constancy — Constancy is the quality of staying the same even though other things change.
- constanta — a port and resort in SE Romania, on the Black Sea: founded by the Greeks in the 6th century bc and rebuilt by Constantine the Great (4th century); exports petroleum. Pop: 265 000 (2005 est)
- constants — Plural form of constant.
- constrain — To constrain someone or something means to limit their development or force them to behave in a particular way.
- construal — an act of construing
- consulate — A consulate is the place where a consul works.
- consumate — Misspelling of consummate.
- contangos — Plural form of contango.
- contessas — Plural form of contessa.
- contracts — Plural form of contract.
- contrails — Plural form of contrail.
- contrasts — to compare in order to show unlikeness or differences; note the opposite natures, purposes, etc., of: Contrast the political rights of Romans and Greeks.
- contrasty — (of a photograph or subject) having sharp gradations in tone, esp between light and dark areas
- copasetic — fine; completely satisfactory; OK.
- copulates — Third-person singular simple present indicative form of copulate.
- copypasta — (Internet slang) A block of text which has been copied and pasted from somewhere else.
- cornstalk — a stalk or stem of corn
- coroplast — A manufacturer of terracotta figurines (in Ancient Greece).
- corposant — Saint Elmo's fire
- coruscant — giving off flashes of light
- coruscate — to emit flashes of light; sparkle
- cosecants — Plural form of cosecant.
- cosmocrat — a ruler of the world
- cosmonaut — A cosmonaut is an astronaut from the former Soviet Union.
- cost card — a summary of costs involved in the production of a product.
- costalgia — Pain in the ribs, or the costal muscles.