矽砂 xīshā silica sand Origin Definitions Defs Strokes Stroke Words Sentences Sents 矽 xì silicon silicon; chemical element with atomic number 14; term used primarily in Taiwan or as an older name in Mainland China for 硅 guī砂 shā noun sand-like particles anything that looks like sand or consists of small particles, such as granulated sugar or iron filings; often used interchangeably with 沙 shā