/ Dictionary / Index C cadmium: Meaning and Definition of Find definitions for: cad•mi•um Pronunciation: (kad'mē-um), [key] — n. a white, ductile divalent metallic element resembling tin, used in plating and in making certain alloys. Symbol: Cd; at. wt.: 112.41; at. no.: 48; sp. gr. 8.6 at 20°C. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cadmium (Thesaurus) Cadmean victory cadmium bronze Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language