silicon dioxide
1. 复合膜：硅压阻:silicon piezoresistive | 复合膜:silicon dioxide | 高技术:silicon Valley
2. 白碳黑：硅衬底:Silicon substrate | 白碳黑:silicon dioxide | 多晶硅:Poly-silicon
3. 二氧化硅[药用辅料]：Silibinin 水飞蓟宾[保肝药] | Silicon Dioxide 二氧化硅[药用辅料] | Silicristin 水飞蓟丁[保肝药]
1. The sand of Tannan Bay contains at least 96 percent silicon dioxide, which makes it pure and white.
noun
1. a white or colorless vitreous insoluble solid (SiO2)
various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite
Synonym: silica silicon oxide