/ Dictionary / Index I interferential: Meaning and Definition of Find definitions for: in•ter•fe•ren•tial Pronunciation: (in"tur-fu-ren'shul), [key] — adj. of or pertaining to interference. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. interference pattern interferogram Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language