cobalt

n [U] 1 chemical element, a hard silvery-white metal used in many alloys 钴. =>App 10 见附录10. 2 deep-blue colouring matter made from compounds of this, used to colour glass and pottery 钴类颜料（深蓝色, 用於玻璃及陶瓷著色）: [attrib 作定语] cobalt blue 钴蓝.

coaming, coarse, coarse fish, coarse fishing, coarsely, coarsen, coarseness, coast, coastal, coaster, coastguard, coastline, coat, coat of arms (also arms), coat of mail, coat-hanger, coat-tails, coax, coaxing, cob, cobber, cobble, cobbler, cobblers, COBOL (also Cobol), cobra, cobweb, coca, Coca-Cola, cocaine, coccyx, cochineal, cochlea, cock, cock-a-doodle-doo, cock-a-hoop, cock-a-leekie, cock-crow, cock-eyed, cock-fight,