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.]

pluton

(ˈpluːtɒn)
n
(Geological Science) any mass of igneous rock that has solidified below the surface of the earth
[C20: back formation from plutonic]

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.

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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.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