| 单词 | mica |
| 释义 | Word Frequency mica(ˈmaɪkə) noun any of a group of lustrous rock-forming minerals consisting of hydrous silicates of aluminium, potassium, etc, in monoclinic crystalline form, occurring in igneous and metamorphic rock. Because of their resistance to electricity and heat they are used as dielectrics, in heating elements, etc Derived forms micaceous (maɪˈkeɪʃəs) adjective Word origin C18: from Latin: grain, morsel |
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