| CALCEDONY | • calcedony n. Alternative form of chalcedony. • CALCEDONY n. a form of quartz, microscopically fibrous with waxy luster, also CHALCEDONY. |
| CANCELBOT | • cancelbot n. (Internet) A bot that sends messages to Usenet newsgroups to remove certain postings, especially spam. • CANCELBOT n. a computer program that identifies and deletes unwanted articles sent to an Internet newsgroup. |
| CHALCOGEN | • chalcogen n. (Inorganic chemistry) Any element of group 16 of the periodic table: oxygen, sulfur, selenium, tellurium or polonium. • CHALCOGEN n. an element from group VI(B) of the periodic table, namely sulphur, selenium or tellurium. |
| CHLORACNE | • chloracne n. (Pathology) A form of acne caused by exposure to halogenated aromatic hydrocarbons. • CHLORACNE n. a type of disfiguring skin disease, caused by contact with chlorinated hydrocarbon. |
| CLOGDANCE | • clog␣dance n. Any dance performed while wearing clogs, producing a percussive sound. • CLOGDANCE n. a dance performed with clogs, the clatter keeping time to the music. |
| COACHLINE | • coachline n. A company that operates a fleet of coaches (passenger vehicles). • coachline n. (Automotive) A decorative horizontal line running along the sides of a motor vehicle. • COACHLINE n. a decorative line along the body of a motor vehicle. |
| COCHINEAL | • cochineal n. (Entomology) A species of insect (Dactylopius coccus). • cochineal n. A vivid red dye made from the bodies of cochineal insects. • cochineal n. The vivid red color of this dye. |
| COCKLEMAN | • cockleman n. A fisherman who catches cockles. • COCKLEMAN n. a cockle fisherman. |
| COECILIAN | • coecilian n. (Zoology) Alternative form of caecilian. • COECILIAN n. a burrowing worm-like amphibian, also CAECILIAN. |
| COENACLES | • COENACLE n. a dining room, also CENACLE. |
| CONCAVELY | • concavely adv. In a concave manner. • CONCAVE adv. curved inward. |
| CONCEALED | • concealed v. Simple past tense and past participle of conceal. • CONCEAL v. to hide. |
| CONCEALER | • concealer n. (Countable) Something that, or someone who, conceals. • concealer n. (Countable, uncountable) A cosmetic designed to cover blemishes. • CONCEALER n. one who conceals. |
| CONCLAVES | • conclaves n. Plural of conclave. • CONCLAVE n. the room in which cardinals meet to elect a pope; any secret assembly. |
| COVALENCE | • covalence n. (Chemistry) A form of valence in which electrons are shared between participating atoms. • covalence n. (Chemistry) The number of electrons that a particular atom can share (and therefore the number of covalent… • COVALENCE n. the union of a pair of atoms by the sharing of a pair of electrons, one from each atom, also COVALENCY. |
| COVALENCY | • covalency n. (Chemistry) Alternative spelling of covalence. • COVALENCY n. the union of a pair of atoms by the sharing of a pair of electrons, one from each atom, also COVALENCE. |
| CYCLOPEAN | • cyclopean adj. Suggestive of a cyclops. • cyclopean adj. (Masonry) Fitted together of huge irregular stones. • cyclopean adj. Massive in stature. |