noun, often capitalized ben·zo·pur·pu·rine \¦ben-(ˌ)zō-ˈpər-pyə-rən, -ˌrēn\
variants: less commonly



Definition of benzopurpurine



  1. :  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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a trip made at another's expense

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