/ Dictionary / Index C cosmochemistry: Meaning and Definition of Find definitions for: cos•mo•chem•is•try Pronunciation: (koz"mu-kem'u-strē), [key] — n. the science dealing with the occurrence and distribution of chemical elements in the universe. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cosmo- cosmodrome Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language