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plutonism

 - 2 dictionary results

plu⋅to⋅nism

  [ploot-n-iz-uhm]
Use plutonism in a Sentence
–noun Geology.
1. the intrusion of magma and associated deep-seated processes within the earth's crust.
2. (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).
Origin:
1840–50; pluton(ic) + -ism

Related forms:
plu⋅to⋅nist, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: plu·to·nism
Pronunciation: 'plüt-&n-"iz-&m
Function: noun
: radiation sickness resulting from exposure toplutonium
Pluáto /'plüt-(")O/, Greek mythological character. Pluto, who was also known as Hades, was the god of the dead and ruler of the underworld. The brother of the godsZeus, Poseidon, Demeter, Hera, and Hestia, he had Persephone as his consort and queen. The ancients perceived him to be a grim, cold god who justly but mercilessly ruled his shadowy subterraneankingdom.
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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