bio·​as·​tro·​nau·​tics | \ -ˌas-trə-ˈnȯt-iks, -ˈnät-\

Medical Definition of bioastronautics

: the medical and biological aspect of astronautics

Learn More about bioastronautics

Share bioastronautics

Comments on bioastronautics

What made you want to look up bioastronautics? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

very full or close together

Get Word of the Day daily email!

Test Your Vocabulary

What did you just call me?! A Quiz

  • rows-of-various-emoji
  • If a member of the audience describes your speech as bombastic, does that person mean it is:
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!