/ Dictionary / Index U urochrome: Meaning and Definition of Find definitions for: u•ro•chrome Pronunciation: (yoor'u-krōm"), [key] — n. Biochem. a yellow-colored pigment that gives the color to urine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. urochordate Ur of the Chaldees Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language