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pluton

 - 3 dictionary results

plu⋅ton

  [ploo-ton]
Use pluton in a Sentence
–noun Geology.
any body of igneous rock that solidified far below the earth's surface.
Origin:
1935–40; < G Pluton, back formation from plutonisch plutonic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To pluton
plu·ton   (plōō'tŏn')   
n.  A body of igneous rock formed beneath the surface of the earth by consolidation of magma.

[German, back-formation from plutonisch, plutonic, from Latin Plūtō, Plūtōn-, Pluto; see Pluto.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Science Dictionary
pluton   (pl'tŏn')  Pronunciation Key 
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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