the study of the chemical composition of the celestial bodies
cosmochemistry in American English
(ˌkɑzməˈkeməstri)
noun
the science dealing with the occurrence and distribution of chemical elements in the universe
Derived forms
cosmochemist
noun
cosmochemical (ˌkɑzməˈkemɪkəl)
adjective
Word origin
[1935–40; cosmo- + chemistry]This word is first recorded in the period 1935–40. Other words that entered Englishat around the same time include: Rhodesian ridgeback, blitz, fluorocarbon, roomette, walk-through