Breadcrumb Home > Dictionary Cite Meaning of acute necrotizing gingivitis Find definitions for: acute' nec'rotizing gingivi'tis. Pronunciation: [key] See Abbr.: ANG Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acute glaucoma acutilingual Related Content Daily Word Quiz: apotheosis Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language