碳化钙 Traditional form: 碳化鈣 Pinyin (reading): tànhuàgài Definitions: calcium carbide CaC2 Characters: 碳 - carbon 化 - to change, to convert, to reform; -ize 钙 - calcium Traditional characters: 碳 - carbon 化 - to change, to convert, to reform; -ize 鈣 - calcium