/ Dictionary / Index B Bardeen-Cooper-Schrieffer theory: Meaning and Definition of Find definitions for: Bar•deen'-Coo'per-Schrief'fer the"ory Pronunciation: (bär-dēn'kp'ur-shrī'fur), [key] — Physics. Physics. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Bardeen bar ditch 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