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carborundum 音標拼音: [k,ɑrbɚ'ʌndəm] n. 碳化矽,金剛矽 碳化矽,金剛矽 carborundum n 1: an abrasive composed of silicon carbide crystals Carborundum \Car`bo*run"dum\ (k[aum]r`b[-o]*r[u^]n"d[u^]m), [a
trade name, from Carbon corundum.] A beautiful crystalline compound, {silicon carbide} ({SiC}), consisting of carbon and silicon in combination; -- also called {carbon silicide}. It is made by heating carbon and sand together in an electric furnace. The commercial article is dark-colored and iridescent. It is harder than emery, and is used as an abrasive. [Webster 1913 Suppl.] carborundum cloth
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