单词	benzidine
释义	benzidine noun ben·​zi·​dine ˈben-zə-ˌdēn  : a crystalline diamine base C12H12N2 prepared from nitrobenzene and used especially in making dyes Word History Etymology International Scientific Vocabulary benz- + -idine First Known Use 1845, in the meaning defined above Medical Definition benzidine noun ben·​zi·​dine ˈben-zə-ˌdēn  : a crystalline base C12H12N2 used especially in making dyes and in a test for blood
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