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Meaning of PLUTONIC

Pronunciation:  ploo'tânik

WordNet Dictionary
[adj]  igneous rock that has solidified beneath the earth's surface; granite or diorite or gabbro

PLUTONIC is a 8 letter word that starts with P.


 Synonyms: eruptive, intrusive, irruptive



Webster's 1913 Dictionary
\Plu*ton"ic\, a. [Cf. F. plutonique. See {Pluto}.]
1. Of or pertaining to Pluto; Plutonian; hence, pertaining to
   the interior of the earth; subterranean.

2. 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}.