| 单词 | perlite |
| 释义 | Word Frequency perlite or pearlite (ˈpɜːlaɪt) noun a variety of obsidian consisting of masses of small pearly globules: used as a filler, insulator, and soil conditioner Derived forms perlitic or pearlitic (pɜːˈlɪtɪk) adjective Word origin C19: from French, from perle pearl1 |
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