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-

< Greek kosmo-, combining form of kósmos cosmos

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