Bible Dictionaries
Petrology

Webster's Dictionary

(1):

(n.) A treatise on petrology.

(2):

(n.) The department of science which is concerned with the mineralogical and chemical composition of rocks, and with their classification: lithology.

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