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View synonyms for cosmonaut
cosmonaut
[ koz-muh-nawt, -not ]
noun
- a Russian or Soviet astronaut.
cosmonaut
/ ˈkɒzməˌnɔːt /
noun
- an astronaut, esp in the former Soviet Union
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Other Words From
- cosmo·nautic adjective
- cosmo·nauti·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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