/ Dictionary / Index M myxo-: Meaning and Definition of Find definitions for: myxo- Pronunciation: [key] a combining form meaning “mucus” or “slime,” used in the formation of compound words: myxoneurosis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. myxedema myxobacteria Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language