Carborundum™
noun /ˌkɑːbəˈrʌndəm/
/ˌkɑːrbəˈrʌndəm/
[uncountable] (chemistry)- a very hard black solid substance, used as an abrasiveWord Originlate 19th cent. (originally US, as a trademark): blend of carbon and corundum
单词 | Carborundum™ |
释义 | Carborundum™noun /ˌkɑːbəˈrʌndəm/ /ˌkɑːrbəˈrʌndəm/ [uncountable] (chemistry)
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