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3 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 plu·ton·ic /pluˈtɑnɪk/
 (a.)Pluto的;陰間的

From: Webster's Revised Unabridged Dictionary (1913)

 Plu·ton·ic a.
 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.
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From: WordNet (r) 2.0

 plutonic
      adj : of igneous rock that has solidified beneath the earth's
            surface; granite or diorite or gabbro [syn: irruptive,
             eruptive]