vitreous silica

1. Influence of Vitreous Silica and ρ-Al_2O_3 on the Performance of the Magnesian Slag Trap in Tundish; Design and Consideration of "V"-shaped Gully with High Filling Roadbed and Debris Retaining Wall in the Three Gorges Reservoir Area
   熔融石英及ρ-Al2O3对镁质中间包挡渣墙性能影响研究三峡库区V形冲沟内高填方路基、拦渣挡墙的设计与思考
2. A mineral form of vitreous or glassy silica; formed by the melting of quartz sand ( as by lightning or a meteorite).
   一种玻璃质或象玻璃的硅石矿物，由在闪电或陨星的作用下熔化的石英砂构成。
3. The Hydroxyl Extinction Coefficient of Vitreous Silica
   石英玻璃中羟基的消光系数

noun

1. colorless glass made of almost pure silica

   Synonym:    quartz glassquartzlechatelieritecrystal