Definition of astronaut in English:

astronaut

Line breaks: astro|naut
Pronunciation: /ˈastrənɔːt
 
/

noun

A person who is trained to travel in a spacecraft.
More example sentences
  • How much food do we need to have on the spacecraft for the astronauts to go to Mars?
  • I always really enjoy explaining how space travel works and how you train for a space mission as an astronaut.
  • It will be the second time American astronauts return to Earth in a Soyuz spacecraft.
Synonyms
spaceman, spacewoman, cosmonaut, space traveller, space pilot, space flyer, space cadet
North American informal jock

Origin

1920s: from astro-, on the pattern of aeronaut and aquanaut.

Derivatives

astronautical

Pronunciation: /astrəˈnɔːtɪk(ə)l/
adjective
More example sentences
  • ‘John has a deep interest in astronautical science and has the hands-on experience to back up what he has taught in the classroom,’ said Administrator O'Keefe.
  • Between the point where we are today and the point where starry-eyed dreamers can pick up a catalog full of rocket engines and astronautical instruments there are a number of important things that need to happen.
  • He holds bachelor's and master's degrees in aeronautical and astronautical engineering from Ohio State University.

Definition of astronaut in:

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Pronunciation: əˈnastrəfi
noun
the inversion of the usual order of words...