Nearby Words

pluton

[ploo-ton]

plu·ton

[ploo-ton]
noun Geology.
any body of igneous rock that solidified far below the earth's surface.

Origin:
1935–40; < German Pluton, back formation from plutonisch plutonic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Pluton is always a great word to know.
So is permeability. Does it mean:
capability of a porous rock or sediment to permit the flow of fluids through its pore spaces
to dissolve out soluble constituents from ashes and soil by percolation
Collins
World English Dictionary
pluton (ˈpluːtɒn)
 
n
any mass of igneous rock that has solidified below the surface of the earth
 
[C20: back formation from plutonic]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
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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