PLUTONIC • DICTIONARY ONE.COM • Definition of Plutonic

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adjective

Plutonic adj.

Of or pertaining to Pluto; Plutonian; hence, pertaining to the interior of the earth; subterranean.

Of, pertaining to, or designating, the system of the Plutonists; igneous; as, the Plutonic theory.

Plutonic action (Geol.), the influence of volcanic heat and other subterranean forces under pressure.

Plutonic rocks (Geol.), granite, porphyry, and some other igneous rocks, supposed to have consolidated from a melted state at a great depth from the surface. Cf. Intrusive rocks, under Intrusive.

Plutonic theory. (Geol.) See Plutonism.

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Etymology of 'Plutonic'

Collaborative International Dictionary of English 0.48

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"Plutonic" Quotes from Famous Books

... quite a different class of birds. In a land of the beech and sugar maple I do not find the same songsters that I know where thrive the oak, chestnut, and laurel. In going from a district of the Old Red Sandstone to where I walk upon the old Plutonic Rock, not fifty miles distant, I miss in the woods, the veery, the hermit thrush, the chestnut-sided warbler, the blue-backed warbler, the green-backed warbler, the black and yellow warbler, and many others, and find in their stead the wood thrush, the chewink, the ...

— Wake-Robin • John Burroughs

Words linked to "Plutonic" : irruptive, intrusive, plutonic rock, pluton