9-letter words containing a, c, t, o
- chassepot — a breech-loading bolt-action rifle formerly used by the French Army
- chat room — A chat room is a site on the Internet where people can exchange messages about a particular subject.
- chat show — A chat show is a television or radio show in which people talk in a friendly, informal way about different topics.
- chatoyant — having changeable lustre; twinkling
- chatrooms — Plural form of chatroom.
- cheap out — to take the cheapest option; try to do something as cheaply as possible
- chelation — the process by which a chelate is formed
- chelators — Plural form of chelator.
- chemostat — an apparatus for growing bacterial cultures at a constant rate by controlling the supply of nutrient medium
- chicalote — a poppy, Argemone platyceras, of the southwestern US and Mexico with prickly leaves and white or yellow flowers
- chinaroot — the root of either of two plants, the galanga or the smilax
- chinatown — Chinatown is the name given to the area in a city where there are many Chinese shops and restaurants, and which is a social centre for the Chinese community in the city.
- chipolata — a small sausage in a narrow casing
- chlorates — Plural form of chlorate.
- chocolate — Chocolate is a sweet hard food made from cocoa beans. It is usually brown in colour and is eaten as a sweet.
- chocolaty — a preparation of the seeds of cacao, roasted, husked, and ground, often sweetened and flavored, as with vanilla.
- choluteca — a city in S Honduras.
- chopsteak — chopped steak.
- choralist — a person who sings in a chorus or ensemble
- chordates — belonging or pertaining to the phylum Chordata, comprising the true vertebrates and those animals having a notochord, as the lancelets and tunicates.
- choreatic — any of several diseases of the nervous system characterized by jerky, involuntary movements, chiefly of the face and extremities.
- chromates — Plural form of chromate.
- chromatic — In music, chromatic means related to the scale that consists only of semitones.
- chromatid — either of the two strands into which a chromosome divides during mitosis. They separate to form daughter chromosomes at anaphase
- chromatin — the part of the nucleus that consists of DNA and proteins, forms the chromosomes, and stains with basic dyes
- chromato- — indicating colour or coloured
- chthonian — of or relating to the underworld
- chukotian — a group of genetically related languages spoken on the Chukchi and Kamchatka peninsulas in eastern Siberia, including Chukchi, Kamchadal, and Koryak.
- ciliation — Lb biology Quality of having cilia.
- ciliolate — covered with minute hairs, as some plants
- cinerator — an incinerator.
- citations — Plural form of citation.
- cithaeron — a mountain range in SE Greece: sacred to Dionysus, in Greek mythology. to 4623 feet (1409 meters).
- clafoutis — a French baked pudding
- claremont — a town in SW California.
- clavation — the state of being clavate
- claw foot — a foot with claws.
- claystone — a compact very fine-grained rock consisting of consolidated clay particles
- claytonia — any low-growing North American succulent portulacaceous plant of the genus Claytonia
- clean out — If you clean out something such as a cupboard, room, or container, you take everything out of it and clean the inside of it thoroughly.
- clear out — If you tell someone to clear out of a place or to clear out, you are telling them rather rudely to leave the place.
- cleopatra — a yellow butterfly, Gonepteryx cleopatra, the male of which has its wings flushed with orange
- climatory — Having to do with climate.
- clinostat — an apparatus for studying tropisms in plants, usually a rotating disc to which the plant is attached so that it receives an equal stimulus on all sides
- clintonia — any temperate liliaceous plant of the genus Clintonia, having white, greenish-yellow, or purplish flowers, broad ribbed leaves, and blue berries
- cloacitis — inflammation of the cloaca in birds, including domestic fowl, and other animals with a common opening of the urinary and gastrointestinal tracts
- clodpated — stupid
- cloistral — of, like, or characteristic of a cloister
- clonality — The fact or condition of being genetically identical, as to a parent, sibling, or other biological source.
- cloth cap — A cloth cap is a soft flat cap with a stiff, curved part at the front called a peak. Cloth caps are usually worn by men.