pluton
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plu·ton
(plo͞o′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.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
pluton
(ˈpluːtɒn)n
(Geological Science) any mass of igneous rock that has solidified below the surface of the earth
[C20: back formation from plutonic]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
plu•ton
(ˈplu tɒn)n.
a body of igneous rock that has solidified far below the earth's surface.
[1935–40; < German Pluton, back formation from plutonisch plutonic]
plu•ton′ic, adj.
plu•ton•ism n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
plu·ton
(plo͞o′tŏn′) A large body of igneous rock formed when a plume of magma cools 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® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Noun | 1. | pluton - large mass of intrusive igneous rock believed to have solidified deep within the earth granite - plutonic igneous rock having visibly crystalline texture; generally composed of feldspar and mica and quartz igneous rock - rock formed by the solidification of molten magma |
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