(n.) The theory, early advanced in geology, that the successive rocks of the earth's crust were formed by igneous fusion; -- opposed to the Neptunian theory.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). plutonism. Retrieved September 25, 2026, from http://smartdefine.org/plutonism/definitions/2046722 |
| Chicago | Webster's. 2011. "plutonism" http://smartdefine.org/plutonism/definitions/2046722 (accessed September 25, 2026). |
| Harvard | Webster's 2011, plutonism, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/plutonism/definitions/2046722>. |
| MLA | Webster's. "plutonism" 27 May 2011. Web. 25 September 2026. <http://smartdefine.org/plutonism/definitions/2046722> |