Definition of pluton in English:

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pluton

Pronunciation: /ˈplo͞otän/

noun

Geology
A body of intrusive igneous rock.
Example sentences
  • The igneous complex is composed of four steep-walled plutons separated by country rock septa and surrounded by a zone of small stocks and veins.

Origin

1930s: back-formation from plutonic.

For editors and proofreaders

Syllabification: plu·ton

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