'Petrology' definitions:
Definition of 'petrology'
(from WordNet)
noun
The branch of geology that studies rocks: their origin and formation and mineral composition and classification [syn: petrology, lithology]
Definition of 'Petrology'
From: GCIDE
- Petrology \Pe*trol"o*gy\, n. [Petro + -logy.]
- 1. The department of science which is concerned with the mineralogical and chemical composition of rocks, and with their classification: lithology. [1913 Webster]
- 2. A treatise on petrology. [1913 Webster]