Bible Dictionaries
Plutonic

Webster's Dictionary

(1):

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

(2):

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

Bibliography Information
Webster, Noah. Entry for 'Plutonic'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/plutonic.html. 1828.