Bible Dictionaries
Igneous

Webster's Dictionary

(1):

(a.) Pertaining to, having the nature of, fire; containing fire; resembling fire; as, an igneous appearance.

(2):

(a.) Resulting from, or produced by, the action of fire; as, lavas and basalt are igneous rocks.

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