/ Dictionary / Index P Pasteur effect: Meaning and Definition of Find definitions for: Pasteur' effect" Pronunciation: [key] the inhibiting of fermentation by oxygen. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Pasteur pasteurella Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language