diorite
/ˈdaɪəraɪt/noun
mass noun
- Geology a speckled, coarse-grained igneous rock consisting essentially of plagioclase, feldspar, and hornblende or other mafic minerals【地质】闪长岩。
派生词
dioritic
adjective词源
early 19th cent.: coined in French, formed irregularly from Greek diorizein 'distinguish' + -ITE1.