lithology
n. பாறை ஆய்வு நுல், (மரு.) கற்கோளாறு ஆய்வு நுல்.
Li*thol"o*gy, n. Etym: [Litho- + -logy: cf. F. lithologie.] 1. The science which treats of rocks, as regards their mineral constitution and classification, and their mode of occurrence in nature. 2. (Med.) Defn: A treatise on stones found in the body.