pararosaniline

noun

para·​ros·​an·​i·​line ˌper-ə-ˌrō-ˈza-nə-lən How to pronounce pararosaniline (audio)
ˌpa-rə-
: a white crystalline base C19H19N3O that is the parent compound of many dyes
also : its red chloride used especially as a biological stain

Word History

Etymology

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

First Known Use

circa 1879, in the meaning defined above

Time Traveler
The first known use of pararosaniline was circa 1879

Rhymes for pararosaniline

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Browse Nearby Words

Pará rhatany
pararosaniline
pararosolic acid
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Cite this Entry

“Pararosaniline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pararosaniline. Accessed 4 Nov. 2025.

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Medical Definition

pararosaniline

noun
para·​ros·​an·​i·​line ˌpar-ə-ˌrō-ˈzan-ᵊl-ən How to pronounce pararosaniline (audio)
: 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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