pluton

noun

plu·ton | \ ˈplü-ˌtän

How to pronounce pluton (audio)

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Definition of pluton

: a typically large body of intrusive igneous rock

Examples of pluton in a Sentence

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In Nevada, for instance, geologists find fibers associated with jagged landscape formed by plutons, which are huge rock formations caused by liquid magma forced upward into the cooler crust and then solidifying. — Deborah Blum, WIRED, "An Asbestos Map of the United States," 17 Jan. 2014

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pluton.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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Time Traveler for pluton

The first known use of pluton was in 1934

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