You searched for: “cosmonautics”
cosmonautics (pl) (noun), (plural used as a singular)
The science and activities of astronauts when they are traveling in outer space.
This entry is located in the following units: cosmo-, cosm-, cosmico-, cosm, -cosmia, -cosmos, -cosmic, -cosmics, -cosmical, -cosmology, -cosms (page 5) -ics, -tics [-ac after i] (page 10) naus-, nau-, naut-, -naut, -nautical, -nautics (page 2)