/ Dictionary / Index A acute necrotizing gingivitis: Meaning and Definition of 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: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language