pluton

[ ploo-ton ]

nounGeology.
  1. any body of igneous rock that solidified far below the earth's surface.

Origin of pluton

1
1935–40; <German Pluton, back formation from plutonischplutonic

Words Nearby pluton

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British Dictionary definitions for pluton

pluton

/ (ˈpluːtɒn) /


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

Origin of pluton

1
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

Scientific definitions for pluton

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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