| 单词 | alundum |
| 释义 | Definition of alundum in English:alundumnoun əˈlʌndəm
OriginEarly 20th century; earliest use found in Machinery (New York). Blend of alumina and corundum. Definition of alundum in US English:alundumnounəˈlʌndəm
OriginEarly 20th century; earliest use found in Machinery (New York). Blend of alumina and corundum. |
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