/ Dictionary / Index Z zero defects: Meaning and Definition of Find definitions for: ze'ro de'fects Pronunciation: [key] quality control that strives for a perfect production process. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. zero-coupon zero-divisor Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language