/ Dictionary / Index C chromoprotein: Meaning and Definition of Find definitions for: chro•mo•pro•tein Pronunciation: (krō"mu-prō'tēn, -tē-in), [key] — n. Biochem. a protein, as hemoglobin or rhodopsin, containing a pigmented nonprotein group, such as heme, riboflavin, or retinal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. chromoplast chromosomal aberration Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language