/ Dictionary / Index Z zygotic: Meaning and Definition of Find definitions for: zy•got•ic Pronunciation: (zī-got'ik), [key] — adj. Biol. of or pertaining to a zygote. having zygosity. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: zygotic (Thesaurus) zygotene zymase Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language