Definition of benzopurpurine
: any of several closely related direct disazo red dyes: such as a or benzopurpurine 4B : a red dye made from ortho-tolidine and naphthionic acid and used on cellulosic textiles and as an indicator and plasma stain b or benzopurpurine 10B : a carmine-red dye made from ortho-dianisidine and naphthionic acid
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Origin and Etymology of benzopurpurine
International Scientific Vocabulary benz- + purpurine, purpurin
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