/ Dictionary / Index A athero-: Meaning and Definition of Find definitions for: athero- Pronunciation: [key] a combining form representingorin compound words: atherosclerosis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. atherine atherogenic Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language