/ Dictionary / Index V visual purple: Meaning and Definition of Find definitions for: vis'ual pur'ple Pronunciation: [key] — Biochem. Biochem. rhodopsin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. visual magnitude visual range Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language