noun in·do·phe·nin \ˌindəˈfēnə̇n, ə̇nˈdäfənə̇n\

Definition of indophenin

  1. :  a blue crystalline compound C24H14N2O2S2 formed by reaction of thiophene with isatin and sulfuric acid and used as a color test for the presence of thiophene in technical benzene

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Origin and Etymology of indophenin

International Scientific Vocabulary 2ind- + phene + -in; from a belief that it was a derivative of benzene; originally formed in German

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feeling or affected by lethargy

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