/ Dictionary / Index B bipack: Meaning and Definition of Find definitions for: bi•pack Pronunciation: (bī'pak"), [key] — n. Photog. two separate films, each having an emulsion layer sensitive to a different color, held together with their emulsion layers facing for simultaneous exposure through the back of one. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. biowarfare biparental 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