/ Dictionary / Index B big science: Meaning and Definition of Find definitions for: big' sci'ence Pronunciation: [key] scientific research requiring large capital expenditure. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. big road big shot Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language