/ Dictionary / Index B band-pass filter: Meaning and Definition of Find definitions for: band'-pass fil"ter Pronunciation: (band'pas", -päs"), [key] — Elect., Electronics. Elect.,Electronics. a filter that attenuates all frequencies except those of a specific band, which it amplifies. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bandore band razor Related Content Daily Word Quiz: feral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language