cosmonautics

[ koz-muh-naw-tiks, -not-iks ]
/ ˌkɒz məˈnɔ tɪks, -ˈnɒt ɪks /

noun (used with a singular verb)

astronautics, especially as applied to space flight.

Origin of cosmonautics

First recorded in 1945–50; see origin at cosmonaut, -ics

Words nearby cosmonautics

cosmological constant, cosmological principle, cosmological redshift, cosmology, cosmonaut, cosmonautics, cosmopolis, cosmopolitan, cosmopolitanize, cosmopolite, cosmos