LITHOLOGY

lithology. Lithology, n. the science of stones on the earth

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Li‐thol″o‐gy (?), n. [[Litho- + -logy: cf. F. lithologie.]] 1. 1. The science which treats of rocks, as regards their mineral constitution and classification, and their mode of occurrence in nature.
2. 2. (Med.) A treatise on stones found in the body.