GEOCHEMISTRY

geochemistry

(noun) the chemistry of the earth’s crust

Source: WordNet® 3.1

Etymology

Noun

geochemistry (countable and uncountable, plural geochemistries)

(chemistry) The branch of chemistry that deals with the chemical composition of the Earth and other planets, and with the chemical processes that occur in the formation of rocks and minerals etc.

Source: Wiktionary

Ge`o*chem"is*try (je`o*kem"is*try), n. [Gr. ge`a, gh^, the earth + chemistry.]

Definition: The study of the chemical composition of, and of actual or possible chemical changes in, the crust of the earth. -- Ge`o*chem"ic*al (#), a. --Ge`o*chem"ist (#), n.

Source: Webster’s Unabridged Dictionary 1913 Edition