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1. Oxford American Dictionary

   silica

   • IPA[ˈsiləkə]

   美式

   • n.
     a hard, unreactive, colorless compound which occurs as the mineral quartz and as a principal constituent of sandstone and other rocks.

   • noun: silica, plural noun: silicas

2. • 相關詞

   silica gel

   • n.
     hydrated silica in a hard granular hygroscopic form used as a desiccant.

   Oxford Dictionary

   silica gel

   • n.
     hydrated silica in a hard granular hygroscopic form used as a desiccant.

   Oxford American Dictionary

   fused silica

   • n.
     an extremely transparent glass made from fusing silica, commonly used in optical lenses.

   Oxford American Dictionary

3. • 更多解釋

   silica

   • IPA[ˈsɪlɪkə]

   英式

   • n.
     a hard, unreactive, colourless compound which occurs as the mineral quartz and as a principal ...

   Oxford Dictionary