/ Dictionary / Index D de Kruif: Meaning and Definition of Find definitions for: de Kruif Pronunciation: (du krīf'), [key] 1890–1971, U.S. bacteriologist and author. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. De Koven del Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language