英语词汇“alundum”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

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单词	alundum
释义	Definition of alundum in English: alundum noun əˈlʌndəm A trademark for: a hard, heat-resistant material produced by fusing alumina in an electric furnace, used chiefly as an abrasive agent. Origin Early 20th century; earliest use found in Machinery (New York). Blend of alumina and corundum. Definition of alundum in US English: alundum nounəˈlʌndəm A trademark for: a hard, heat-resistant material produced by fusing alumina in an electric furnace, used chiefly as an abrasive agent. Origin Early 20th century; earliest use found in Machinery (New York). Blend of alumina and corundum.
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更新时间：2026/6/3 22:17:01