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plutonic

American  
[ploo-ton-ik] / pluˈtɒn ɪk /

adjective

Geology.
  1. noting or pertaining to a class of igneous rocks that have solidified far below the earth's surface.


plutonic British  
/ pluːˈtɒnɪk /

adjective

  1. Also: abyssal.  (of igneous rocks) derived from magma that has cooled and solidified below the surface of the earth

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of plutonic

1790–1800; < Latin Plūtōn- (stem of Plūtō Pluto < Greek Ploútōn ) + -ic; originally referring to the Plutonic theory ( see plutonism)

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

However, Page Six reports that the duo’s relationship is plutonic and not romantic.

From Fox News Aug. 3, 2021

These are known as coarse-grained intrusive, or plutonic, igneous rocks.

From Textbooks Jan. 1, 2017

“We’re exactly like a man capable of sustaining a plutonic friendship with an attractive female co-worker — we’re entirely hypothetical.”

From New York Times Jul. 24, 2015

Oliver Sacks writes of his own experience with aluminum chemistry, “Huge energies, plutonic forces, were being unleashed, and I had a thrilling, but precarious sense of being in control—sometimes just.”

From Slate May 3, 2013

The accessible deposits of the deep zone are associated with plutonic igneous rocks which have been deeply eroded, and not with surface lavas.

From The Economic Aspect of Geology by C. K. (Charles Kenneth) Leith

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