pluton

[ploo-ton]

Origin of pluton

1935–40; < German Pluton, back formation from plutonisch plutonic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Historical Examples of pluton


British Dictionary definitions for pluton

pluton

noun
  1. any mass of igneous rock that has solidified below the surface of the earth

Word Origin for pluton

C20: back formation from plutonic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

pluton in Science

pluton

[plōōtŏn′]
  1. A large body of igneous rock formed when a plume of magma cools and solidifies underground. Although most plutons are deep within the Earth's crust, some become exposed at the surface due to plate-tectonic processes.
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