/ Dictionary / Index A acnegenic: Meaning and Definition of Find definitions for: ac•ne•gen•ic Pronunciation: (ak"ni-jen'ik), [key] — adj. Pathol. causing or able to cause acne. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acne acnemia Related Content Daily Word Quiz: alacrity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language