Plutonian

[plu:'tәunjәn]

Definition

(a.) Plutonic.

(n.) A Plutonist.

Checked by Jean

Definition

adj. infernal: dark: (geol.) formed by the agency of heat at a depth below the surface of the earth as granite—also Pluton′ic.—ns. Plu′tonism; Plu′tonist.—Plutonic action the action of volcanic fires under the surface; Plutonic rocks rocks formed under the surface by the action of fire as granite porphyry &c.; Plutonic theory the theory that the present state of the earth's crust is the result of the action of fire—opp. to Neptunian theory.

Inputed by Barnard