/ Dictionary / Index B BPD: Meaning and Definition of Find definitions for: BPD Pronunciation: [key] barrels per day. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. B particle B.P.E. Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language