| 单词 | silica |
| 释义 | silica /sil"i keuh/, n. the dioxide form of silicon, SiO2, occurring esp. as quartz sand, flint, and agate: used usually in the form of its prepared white powder chiefly in the manufacture of glass, water glass, ceramics, and abrasives. Also called silicon dioxide. [1795-1805; < NL, deriv. of L silex SILEX] |
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