/ Dictionary / Index I intermediate frequency: Meaning and Definition of Find definitions for: in'terme'diate fre'quency Pronunciation: [key] — Radio. Radio. the middle frequency in a superheterodyne receiver, at which most of the amplification takes place. Abbr.: if Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. intermediate card intermediate host Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language