You searched for: “petrology
petrology (s) (noun), petrologies (pl)
The scientific study of stones: Petrology includes the academic research of the occurrence, the chemical composition and classification of quartz, geodes, chalk, obsidian, etc.
This entry is located in the following units: -ology, -logy, -ologist, -logist (page 58) petro-, petr-, petri-, peter- (page 4)