bioastronautics

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ˌbaɪəʊˌæstrəˈnɔːtɪks/US:USA pronunciation: respellingUSA pronunciation: respelling(bī′ō as′trə nô′tiks)


WordReference Random House Unabridged Dictionary of American English © 2026
bi•o•as•tro•nau•tics  (bī′ō as′trə nô′tiks),USA pronunciation n. (used with a sing. v.)
  1. Aerospacethe science dealing with the effects of space travel on life.
  • bio- + astronautics 1955–60
bi′o•as′tro•nau′tic, bi′o•as′tro•nau′ti•cal, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
bioastronautics /ˌbaɪəʊˌæstrəˈnɔːtɪks/ n
  1. (functioning as singular) the study of the effects of space flight on living organisms

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