单词 | periclase |
释义 | Word Frequency periclase(ˈpɛrɪˌkleɪs) noun a mineral consisting of magnesium oxide in the form of isometric crystals or grains: occurs in metamorphosed limestone Derived forms periclastic (ˌpɛrɪˈklæstɪk) adjective Word origin C19: from New Latin periclasia, from Greek peri very + klasis a breaking, referring to its perfect cleavage |
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