单词 | hypersthene |
释义 | Word Frequency hypersthene(ˈhaɪpəˌsθiːn) noun a green, brown, or black pyroxene mineral consisting of magnesium iron silicate in orthorhombic crystalline form. Formula: (Mg,Fe)2 Si2O6 Derived forms hypersthenic (ˌhaɪpəˈsθɛnɪk) adjective Word origin C19: from hyper- + Greek sthenos strength |
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