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”:
indicating the world or universe: cosmology, cosmonaut, cosmography
before a vowel cosm-, word-forming element from Latinized form of Greek kosmos (see cosmos). In older use, “the world, the universe;” since 1950s, especially of outer space.
[koz-muh-kem-uh-stree] /ˌkɒz məˈkɛm ə stri/ noun 1. the science dealing with the occurrence and distribution of chemical elements in the universe.
noun rule of the whole world
noun ruler or leader of the whole world; also called cosmocrator Word Origin Greek cosmos ‘world, universe’
[koz-muh-drohm] /ˈkɒz məˌdroʊm/ noun 1. an aerospace center or launching site for spacecraft in the Soviet Union. /ˈkɒzməˌdrəʊm/ noun 1. a site, esp one in the former Soviet Union, from which spacecraft are launched