Dictionary
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.