cordite

n [U] smokeless explosive substance used in bullets, shells, bombs, etc 柯达炸药; （柯达）无烟火药.

copy-cat, copy-typist, copy-writer, copyist, copyright, coquetry, coquette, coquettish, coquettishly, cor anglais, coracle, coral, coral island, coral reef, corbel, cord, cordage, cordial, cordiality, cordially, cordon, cordon bleu, corduroy, corduroy road, core, CORE (also Core), corgi, coriander, coring bit, Corinthian, cork, corkage, corked, corkscrew, corm, cormorant, corn, corn on the cob, corn pone (US also pone), corn-cob,