/ Dictionary / Index N necrobiosis: Meaning and Definition of Find definitions for: nec•ro•bi•o•sis Pronunciation: (nek"rō-bī-ō'sis), [key] — n. Med. the death of cells or tissue caused by aging or disease. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: necrobiosis (Thesaurus) necrobacillosis necrolatry Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language