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alundum

/əˈlʌn.dəm/

翻译: 指由熔融氧化铝制成的物质,常用作磨料或耐火材料。

1 个条目

noun

/əˈlʌn.dəm/C2formaltechnical
  • zh指由熔融氧化铝制成的物质,常用作磨料或耐火材料。

A noun referring to a substance made of fused alumina, often used as an abrasive or refractory material.

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  1. Fused aluminaC2formaltechnical

    A hard, synthetic substance made by fusing alumina (aluminum oxide) at high temperatures, used as an abrasive or refractory material.

    zh电熔刚玉

    • Alundum is commonly used in grinding wheels and cutting tools.
    • The furnace lining was made of alundum bricks to withstand high heat.
    • Laboratories use alundum crucibles for high-temperature experiments.