basalt
/ˈbæsɔːlt/noun
mass noun
1- a dark fine-grained volcanic rock that sometimes displays a columnar structure. It is typically composed largely of plagioclase with pyroxene and olivine.玄武岩。
1.1
- a kind of black stoneware developed by Josiah Wedgwood（乔赛亚·韦奇伍德设计的）似玄武岩的黑色陶器。
派生词
basaltic
/bəˈsɔːltɪk/ adjective词源
early 17th cent. (in the Latin form)： from Latin basaltes （variant of basanites ）， from Greek basanitēs, from basanos 'touchstone'.