petrology

Noun

pe=trol=o=gy

CIDE DICTIONARY

petrology, n. [Petro + -logy.].

The department of science which is concerned with the mineralogical and chemical composition of rocks, and with their classification: lithology. [1913 Webster]
A treatise on petrology. [1913 Webster]

petrology, n. the study of the origin, structure, composition, etc., of rocks.

Derivative

petrologic adj. petrological adj. petrologist n.

For further exploring for "petrology" in Webster Dictionary Online

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