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cosmo-
cosmochemistry
cosmodrome
cosmogony
cosmography
cosmological argument
cosmological principle
cosmology
cosmonaut
cosmopolis
cosmopolitan
cosmopolite
cosmos (1)
cosmos (2)
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cosmonaut
cos·mo·naut [ kózmə nàwt ] (plural cos·mo·nauts)


noun 
Definition:
 
Russian astronaut: an astronaut in the space programs of Russia and the former Soviet Union
[Mid-20th century. Blend of cosmos1 + astronaut, after Russian kosmonavt]
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