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View synonyms for cosmonaut

cosmonaut

[ koz-muh-nawt, -not ]

noun

  1. a Russian or Soviet astronaut.

cosmonaut

/ ˈkɒzməˌnɔːt /

noun

  1. an astronaut, esp in the former Soviet Union

cosmonaut

  1. A crew member of a space mission launched by the former Soviet Union .

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Other Words From

  • cosmo·nautic adjective
  • cosmo·nauti·cal·ly adverb

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Word History and Origins

Origin of cosmonaut1

1955–60; cosmo- + (aero)naut, representing Russian kosmonávt

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Word History and Origins

Origin of cosmonaut1

C20: from Russian kosmonavt, from cosmo- + Greek nautēs sailor; compare Argonaut

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