Meaning & use
plutonic
Last updated
Relating to igneous rock that formed from magma cooling slowly deep beneath the Earth's surface.
See it in a sentence
Granite is a common plutonic rock found in mountain ranges.
Geologists mapped the plutonic formations exposed by centuries of erosion.
A note on using this word
Easily confused with the unrelated word 'platonic'; 'plutonic' comes from Pluto, the Roman god of the underworld, referencing rock formed underground.
Words with an opposite meaning
volcanic
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