basalt

basalt
[ˈbasɔːlt, -(ə)lt]
noun
  1. [mass noun]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
    ■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
basaltic
[bəˈsɔːltɪk]
adjective
语源
  1. early 17th cent. (in the Latin form): from Latin basaltes (variant of basanites), from Greek basanitēs, from basanos 'touchstone'
英语宝典
考试词汇表