petrology : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: petrology	by the DICT Development Group
2 results for petrology
From WordNet (r) 3.0 (2006) [wn]:
petrology n the branch of geology that studies rocks: their origin and formation and mineral composition and classification Synonym(s): petrology, lithology
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Petrology \Petrol"ogy\, n. [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.