plutonism

[ ploot-n-iz-uhm ]
/ ˈplut nˌɪz əm /

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).

QUIZZES

BECOME A PRO CHEF WITH THIS EXQUISITE CUISINE QUIZ!

Even if you can't be a professional chef, you can at least talk like one with this vocabulary quiz.
Question 1 of 9
You may have read the word "simmer" in a recipe or two, but what does it really mean?

Origin of plutonism

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

OTHER WORDS FROM plutonism

plu·to·nist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020