| 单词 | siliceo-fluoric |
| 释义 | > as lemmassiliceo-fluoric combining form of siliceous adj., as in siliceo-calcareous, siliceo-feldspathic, siliceo-fluoric. ΚΠ 1816 Edinb. Rev. 26 163 Silceo-calcareous sand. 1822 T. Webster Imison's Elem. Sci. & Art (new ed.) II. 78 A permanent acid gas, called the Siliceo-fluoric acid. 1839 H. T. De la Beche Rep. Geol. Cornwall vii. 203 A hard siliceo-felspathic compound. < as lemmas |
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