pararosaniline

noun
para·ros·an·i·line | \ ˌper-ə-ˌrō-ˈza-nə-lən , ˌpa-rə- \

Definition of pararosaniline 

: a white crystalline base C19H19N3O that is the parent compound of many dyes also : its red chloride used especially as a biological stain

First Known Use of pararosaniline

circa 1879, in the meaning defined above

History and Etymology for pararosaniline

International Scientific Vocabulary para entry 1- + rosaniline the compound C20H21N3O, from Latin rosa rose + International Scientific Vocabulary aniline

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The first known use of pararosaniline was circa 1879

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pararosaniline

noun
para·ros·an·i·line | \ ˌpar-ə-ˌrō-ˈzan-ᵊl-ən \

Medical Definition of pararosaniline 

: a white crystalline base C19H19N3O that is the parent compound of many dyes also : its red chloride used especially as a biological stain

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occurring twice a year or every two years

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