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Webster 1913 Edition


Petrology

Pe-trol′o-gy

,
Noun.
[
Petro
+
-logy
.]
1.
The department of science which is concerned with the mineralogical and chemical composition of rocks, and with their classification: lithology.
2.
A treatise on petrology.

Definition 2024


petrology

petrology

English

Noun

petrology (usually uncountable, plural petrologies)

  1. (geology) the study of the origin, composition and structure of rock

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