petrology
UK/pi'trɒlәdʒi/US
GREC2
Definitions
n.
The branch of geology that studies rocks — their origin, composition, structure, and the processes that form and change them.
岩石学（地质学分支，研究岩石的成因、成分、结构以及岩石的形成与变化过程）。
Root Breakdown
Root-derivedpetr (rock) + -o- + -logy (study of) = the study of rocks. It sits between geology (the whole earth) and mineralogy (single minerals): petrology focuses specifically on rock as rock.
Root petr still carries 6 more wordsCommon Collocations
- 1.igneous petrology火成岩岩石学
- 2.petrology lab岩石学实验室
- 3.study petrology学习岩石学
Example Sentences
- 1.
She specialized in petrology, studying how volcanic rocks form.
- 2.
Petrology helps geologists read the history written in stone.
- 3.
The course covers basic petrology and mineral identification.