| 单词 | feldspathoid |
| 释义 | feldspathoid /feld"spa thoyd', fel"-/, Mineral. adj. 1. Also, feldspathoidal. of or pertaining to a group of minerals similar in chemical composition to certain feldspars except for a lower silica content. n. 2. a mineral of this group, as nepheline. [1895-1900; < G Feldspath (see FELDSPAR) + -OID] |
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