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Noun: cosmonaut  'kóz-mu`not
  1. A person trained to travel in a spacecraft
    "the Russians called their astronauts cosmonauts"; "the Russians called their spacemen cosmonauts"; "the Russians called their spacewomen cosmonauts"
    - astronaut, spaceman, spacewoman

Derived forms: cosmonauts

Type of: traveler [US], traveller [Brit, Cdn]

Encyclopedia: Cosmonaut

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cosmographical
cosmographist
cosmography
cosmolatry
cosmologic
cosmological
cosmological constant
cosmological principle
cosmologist
cosmology
cosmonaut
cosmopolitan
cosmopolitanism
cosmopolite
cosmos
cosmotron
cosponsor
coss
Cossack
cosset
cossie