cosmo-

cosmo-

(word root) universe
Examples of words with the root cosmo-: cosmonaut

cosmo-

or cosm-
pref.
Universe; world: cosmology.

[From Greek kosmos, order, universe.]

cosmo-

or before a vowel

cosm-

combining form
indicating the world or universe: cosmology; cosmonaut; cosmography.
[from Greek: cosmos]

cosmo-

a combining form meaning “world,” “universe” (cosmography); in contemporary usage, sometimes representing Russian kosmo-, it may mean “outer space,” “space travel,” or “cosmic ray” (cosmonaut).
Compare astro-.
[< Greek kosmo-, comb. form of kósmos cosmos]