/ Dictionary / Index M murexide: Meaning and Definition of Find definitions for: mu•rex•ide Pronunciation: (myoo-rek'sīd, -sid), [key] — n. Chem. a reddish-purple, crystalline, sparingly water-soluble solid, CHNO, having a green luster, formerly used as a dye. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. murex murexide test Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language