/ Dictionary / Index I IVF: Meaning and Definition of Find definitions for: IVF Pronunciation: [key] in vitro fertilization. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Ives ivied Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language