plutonism

[ ploot-n-iz-uhm ]

/ ˈplut nˌɪz əm /

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noun Geology.

the intrusion of magma and associated deep-seated processes within the earth's crust.

(often initial capital letter) the disproven theory that all rocks formed by solidification of a molten mass, promulgated by Scottish geologist James Hutton (1726–97).

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Origin of plutonism

First recorded in 1840–50; pluton(ic) + -ism

OTHER WORDS FROM plutonism

plu·to·nist, noun

Words nearby plutonism

plutocratic, plutoid, pluton, Plutonian, plutonic, plutonism, plutonium, Plutus, pluvial, pluviometer, Pluviôse