/ Dictionary / Index Z zero-divisor: Meaning and Definition of Find definitions for: ze•ro-di•vi•sor Pronunciation: (zēr'ō-di-vī'zur), [key] — n. Math. a nonzero element of a ring such that its product with some other nonzero element of the ring equals zero. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. zero defects zero-emission vehicle Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language