/ Dictionary / Index B BCNU: Meaning and Definition of Find definitions for: BCNU Pronunciation: [key] — Pharm. Pharm. carmustine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. B.C.L. B complex Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language