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choleric having a quick temper; easily angered.
cholesteatoma a tumor-like mass of epithelial cells appearing esp. in the middle ear or mastoid process, also known as a pearl tumor.
cholesterol a white substance, found in various tissues of all animals, which serves as a detoxifier in the bloodstream and surrounds certain nerve sheaths, and an excess of which is thought to contribute to hardening of the arteries.
choline a vitamin of the vitamin B complex, found in most animal and vegetable foods.
cholinergic releasing, stimulated by, or involving acetylcholine. [2 definitions]
cholinesterase an enzyme found in the heart, brain, and blood that hydrolyzes acetylcholine to acetic acid and choline, to block the transmission of nerve impulses.
chomp variant of champ1.
chon the smaller monetary unit of South Korea. (Cf. won.)
chondrite a stony meteorite that contains chondrules, formed from materials present in the early solar system .
chondritic of or pertaining to meteorites containing chondrules. [2 definitions]
chondrosarcoma a sarcoma derived from cartilage cells.
chondrule a small round grain found in chondritic meteorites.
choose to select from two or more alternatives. [4 definitions]
choose up (informal) to select players for each side or team, as in a sandlot baseball game.
choosy difficult to please; careful or cautious in choosing; very selective.
chop1 to cut by hitting repeatedly, esp. with an ax or other sharp tool (often fol. by "down" or "off"). [8 definitions]
chop2 to suddenly shift direction; swerve, esp. with the wind.
chop3 (usu. pl.) the jaws, cheeks, or mouth.
chopfallen variant of chapfallen.
chophouse a restaurant that mainly serves chops and steaks.
choplogic specious or hairsplitting reasoning; sophistry.