/ Dictionary / Index B biosafety: Meaning and Definition of Find definitions for: bi•o•safe•ty Pronunciation: (bī"ō-sāf'tē), [key] — n. the maintenance of safe conditions in biological research to prevent harm to workers, nonlaboratory organisms, or the environment. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: biosafety (Thesaurus) BIOS bioscience 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