/ Dictionary / Index B bioluminescence: Meaning and Definition of Find definitions for: bi•o•lu•mi•nes•cence Pronunciation: (bī"ō-l"mu-nes'uns), [key] — n. the production of light by living organisms. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bioluminescence (Thesaurus) biology biolysis 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