Pearl"ite (), Pearl"stone° ()} n.(Min.) A glassy volcanic rock of a grayish color and pearly luster, often having a spherulitic concretionary structure due to the curved cracks produced by contraction in cooling. See Illust. under Perlitic.
スポンサード リンク
翻訳と辞書 : 翻訳のためのインターネットリソース
Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.