plu·ton (pl  t n )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 Pl  t , Pltn-, Pluto; see Pluto.] |
pluton [ˈpluːtɒn]
n
(Earth Sciences / Geological Science) any mass of igneous rock that has solidified below the surface of the earth
[back formation from plutonic]
| pluton (pltn) 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. |
ThesaurusLegend: Synonyms Related Words Antonyms
| 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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