silicon dioxide   (TTS Sound)

The silicon_dioxide has 1 Senses.

• silica, silicon dioxide, silicon oxide
• シリカ, 二酸化ケイ素
• 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
• 白か無色のガラス質の不溶性の固体（SiO2）