Bible Dictionaries
Petrography

Webster's Dictionary

(1):

(n.) The art of writing on stone.

(2):

(n.) The scientific description of rocks; that department of science which investigates the constitution of rocks; petrology.

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