| 单词 | orthoclase |
| 释义 | orthoclase (once / 145918 pages) n WORD FAMILY orthoclase USAGE EXAMPLESA transparent or translucent variety of common feldspar, or orthoclase, which often shows pearly opalescent reflections; - called by lapidaries moonstone. Webster, Noah, Webster's Unabridged Dictionary(2012) Examples of substances exhibiting these three kinds of dispersion are borax, orthoclase and gypsum respectively. Various, Encyclopaedia Britannica, 11th Edit...(2012) Felspar if present may be orthoclase and oligoclase. Various, Encyclopaedia Britannica, 11th Edit...(2011) n a white or colored monoclinic feldspar Hyper feldspar, felspar any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium |
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