/ Dictionary / Index B biotron: Meaning and Definition of Find definitions for: bi•o•tron Pronunciation: (bī'u-tron"), [key] — n. Biol. a controlled laboratory environment designed to provide uniform experimental conditions with the aim of producing uniform organisms for use in experiments. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. biotransformation Biot-Savart law Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language