/ Dictionary / Index B bijection: Meaning and Definition of Find definitions for: bi•jec•tion Pronunciation: (bī-jek'shun), [key] — n. Math. a map or function that is one-to-one and onto. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Bijagos Islands bijou Related Content Daily Word Quiz: supercilious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language