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Definition of Plutonic
1. Adjective. Of igneous rock that has solidified beneath the earth's surface; granite or diorite or gabbro.
Definition of Plutonic
1. a. Of or pertaining to Pluto; Plutonian; hence, pertaining to the interior of the earth; subterranean.
Definition of Plutonic
1. Adjective. (minerology) An igneous rock that cooled and hardened below the earth's surface. ¹
¹ Source: wiktionary.com
Definition of Plutonic
1. pluton [adj] - See also: pluton
Medical Definition of Plutonic
1.
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.