Carborundum™
noun/ˌkɑːbəˈrʌndəm/
/ˌkɑːrbəˈrʌndəm/
[uncountable] (chemistry)- a very hard black solid substance, used as an abrasive
金刚砂,碳化硅(用作研磨材料) Word Originlate 19th cent. (originally US, as a trademark): blend of carbon and corundum
| 单词 | carborundumtm |
| 释义 | Carborundum™noun/ˌkɑːbəˈrʌndəm/ /ˌkɑːrbəˈrʌndəm/ [uncountable] (chemistry)
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