| 单词 | feldspar |
| 释义 | feldspar /feld"spahr', fel"-/, n. any of a group of minerals, principally aluminosilicates of potassium, sodium, and calcium, characterized by two cleavages at nearly right angles: one of the most important constituents of igneous rocks. Also, felspar. [1750-60; feld- ( < G: field) + SPAR3; r. feldspath < G (Feld field + Spath spar)] |
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