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Meaning of bioastronautics

bi•o•as•tro•nau•tics

Pronunciation: (bī"ō-as"tru-nô'tiks), [key]
— n. (used with a sing. v.)
  1. the science dealing with the effects of space travel on life.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.