单词 | basalt |
释义 | Word Frequency basalt(ˈbæsɔːlt) noun 1. a fine-grained dark basic igneous rock consisting of plagioclase feldspar, a pyroxene, and olivine: the most common volcanic rock and usually extrusive flood basalt 2. a form of black unglazed pottery resembling basalt Derived forms basaltic (baˈsaltic) adjective Word origin C18: from Late Latin basaltēs, variant of basanītēs, from Greek basanitēs touchstone, from basanos, of Egyptian origin |
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