Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of petrology is as below...

Petro- :: Petro- () A combining form from Gr. / a rock, / a stone; as, petrology, petroglyphic..

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

Petrological :: Petrological (a.) Of or pertaining to petrology.

Petrology :: Petrology (n.) A treatise on petrology.

Petralogy :: Petralogy (n.) See Petrology.

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

Petrologist :: Petrologist (n.) One who is versed in petrology.

Petrologically :: Petrologically (adv.) According to petrology.

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