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cosmonaut vs. astronaut

cosmonaut vs. astronaut: What's the difference?

Astronaut refers to a person engaged in or trained for spaceflight. Cosmonaut is the term used for a Russian or Soviet astronaut. Cosmonaut is a borrowing of the Russian word DzDzá.Cosmo- comes from the Greek root kosmos-, meaning “universe,” while astro- comes from the Greek root astra- meaning “star.”

cosmonaut

noun

  1. a Russian or Soviet astronaut.

astronaut

noun

  1. a person engaged in or trained for spaceflight.