cosmo-
a combining form meaning “world,” “universe,” used in the formation of compound words: cosmography; in contemporary usage, sometimes representing Russian kosmo-, it may mean “outer space,” “space travel,” or “cosmic ray”: cosmonaut.
Also
especially before a vowel,
cosm-.
Compare
astro-.
Origin of cosmo-
Words nearby cosmo-
cosmic string,
cosmic web,
cosmid,
cosmine,
cosmism,
cosmo-,
cosmochemistry,
cosmodrome,
cosmogony,
cosmography,
cosmoid
British Dictionary definitions for cosmo-
cosmo-
before a vowel cosm-
combining form
indicating the world or universe
cosmology; cosmonaut; cosmography
Word Origin for cosmo-
from Greek:
cosmos