| CATACOMB | • catacomb n. (Often plural) An underground system of tunnels and chambers with recesses for graves, used (in former… • CATACOMB n. an underground cemetery. |
| CATAGENS | • catagens n. Plural of catagen. • CATAGEN n. The growth phase in the hair growth cycle during which a newly formed hair ceases to grow. |
| CATALASE | • catalase n. An enzyme found in the liver that catalyses the decomposition of hydrogen peroxide to water and oxygen. • CATALASE n. an enzyme that reduces hydrogen peroxide. |
| CATALOES | • cataloes n. Plural of catalo. • CATALO n. a cross between a buffalo and a domestic cow, also CATTALO. |
| CATALOGS | • catalogs n. Plural of catalog. • catalogs v. Third-person singular simple present indicative form of catalog. • CATALOG v. to classify information descriptively. |
| CATALPAS | • catalpas n. Plural of catalpa. • CATALPA n. a tree of the genus Catalpa, of the bignonia family, with heart-shaped leaves, trumpet-shaped flowers, and long pods. |
| CATALYSE | • catalyse v. (Chemistry, chiefly British spelling) Alternative spelling of catalyze. • CATALYSE v. to act as a catalyst, also CATALYZE. |
| CATALYST | • catalyst n. (Chemistry) A substance that increases the rate of a chemical reaction without being consumed in the process. • catalyst n. Something that encourages progress or change. • catalyst n. (Literature) An inciting incident that sets the successive conflict into motion. |
| CATALYZE | • catalyze v. (Transitive) To bring about the catalysis of a chemical reaction. • catalyze v. (Transitive) To accelerate a process. • catalyze v. (Transitive) To inspire significantly by catalysis. |
| CATAMITE | • catamite n. A boy or younger man in a homoerotic relationship with an older man. • catamite v. To engage in a homoerotic relationship involving a boy and an older man. • CATAMITE n. a boy used in sodomy. |
| CATAPANS | • catapans n. Plural of catapan. • CATAPAN n. (Greek) the governor of Calabria and Apulia for the Byzantine emperor. |
| CATAPHOR | • cataphor n. (Medicine) Semicoma. • cataphor n. (Medicine) Somnolence marked by periods of partial consciousness. • CATAPHOR n. (Greek) the use of an expression which refers to or stands for a later word or group of words, also CATAPHORA. |
| CATAPULT | • catapult n. A device or weapon for throwing or launching large objects. • catapult n. A mechanical aid on aircraft carriers designed to help airplanes take off from the flight deck. • catapult n. (UK) A slingshot. |
| CATARACT | • cataract n. (Obsolete) A waterspout. • cataract n. A large waterfall; steep rapids in a river. • cataract n. A flood of water. |
| CATARRHS | • catarrhs n. Plural of catarrh. • CATARRH n. inflammation of a mucous membrane. |
| CATASTAS | • CATASTA n. (Latin) a scaffold or stage for torture or selling slaves. |
| CATATONY | • catatony n. Dated form of catatonia. • CATATONY n. a state of rigidity experienced periodically by schizophrenics. |
| CATAWBAS | • catawbas n. Plural of catawba. • Catawbas n. Plural of Catawba. • CATAWBA n. a well known light red variety of American grape; a red wine made from it. |