/ Dictionary / Index A aerobiosis: Meaning and Definition of Find definitions for: aer•o•bi•o•sis Pronunciation: (âr"ō-bī-ō'sis), [key] — n. Biol. life in an environment containing oxygen or air. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aerobiosis (Thesaurus) aerobiology aeroculture Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language