(n.) The study of the chemical composition of, and of actual or possible chemical changes in, the crust of the earth.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). geochemistry. Retrieved September 22, 2026, from http://smartdefine.org/geochemistry/definitions/2011909 |
| Chicago | Webster's. 2011. "geochemistry" http://smartdefine.org/geochemistry/definitions/2011909 (accessed September 22, 2026). |
| Harvard | Webster's 2011, geochemistry, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/geochemistry/definitions/2011909>. |
| MLA | Webster's. "geochemistry" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/geochemistry/definitions/2011909> |