/ Dictionary / Index C chrom-: Meaning and Definition of Find definitions for: chrom- Pronunciation: [key] a combining form meaning “color,” used in the formation of compound words: chromhydrosis. a combining form used in the names of chemical compounds in which chromium is present. a combining form that, when prefixed to the name of a chemical compound, denotes its colored form. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. -chroic chroma Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language