| 单词 | silica |
| 释义 | Word Frequency silica(ˈsɪlɪkə) noun 1. the dioxide of silicon, occurring naturally as quartz, cristobalite, and tridymite. It is a refractory insoluble material used in the manufacture of glass, ceramics, and abrasives 2. short for silica glass Word origin C19: New Latin, from Latin: silex |
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