Plutonic meaning

plo͝o-tŏnĭk
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(geol.) Formed at great depth by intense heat and pressure: said of rock, esp. intrusive igneous rock, that is typically coarsegrained and granitelike.
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Of deep igneous or magmatic origin.

Plutonic rocks.

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(mineralogy) Of an igneous rock that cooled and hardened below the earth's surface.
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Plutonian; relating to the god Pluto or to the underworld.
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Origin of plutonic

  • From Latin Plūtō Plūtōn- Pluto Pluto

    From American Heritage Dictionary of the English Language, 5th Edition

  • From French plutonique (“of or pertaining to Pluto, the underworld, interior of the earth")

    From Wiktionary