/ Dictionary / Index C cadmium yellow: Meaning and Definition of Find definitions for: cad'mium yel'low Pronunciation: [key] a pigment used in painting, consisting of cadmium sulfide and characterized by its strong yellow color and permanence. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cadmium sulfide Cadmus 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