/ Dictionary / Index N necrobacillosis: Meaning and Definition of Find definitions for: nec•ro•bac•il•lo•sis Pronunciation: (nek"rō-bas"u-lō'sis), [key] — n. Vet. Pathol. any disease of cattle, horses, sheep, and swine marked by necrotic areas in which a bacillus, Fusobacterium necrophorum, is found. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. necro- necrobiosis 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