| 单词 | mother of emeralds |
| 释义 | > as lemmasmother of emeralds mother of emeralds n. (also mother of emerald) any of several green varieties of quartz or feldspar. ΚΠ 1772 G. von Engeström & E. M. da Costa tr. A. F. Cronstedt Ess. Syst. Mineral. (ed. 2) 81 Plasma or mother of the emerald.] 1797 Encycl. Brit. VI. 567/2 Hence the green cochle spar brought from Egypt may have obtained the name of mother of emeralds. 1910 Encycl. Brit. IX. 332/2 ‘Mother of emerald’ is generally a green quartz or perhaps in some cases a green felspar. < as lemmas |
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