naphthylamine

noun

naph·​thyl·​amine naf-ˈthi-lə-ˌmēn How to pronounce naphthylamine (audio)
 nonstandard  nap-
: either of two isomeric crystalline bases C10H9N used especially as dye intermediates

Word History

Etymology

International Scientific Vocabulary

First Known Use

1857, in the meaning defined above

Time Traveler
The first known use of naphthylamine was in 1857

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Cite this Entry

“Naphthylamine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/naphthylamine. Accessed 30 Jan. 2023.

Medical Definition

naphthylamine

noun
naph·​thyl·​amine naf-ˈthil-ə-ˌmēn, nap- How to pronounce naphthylamine (audio)
: either of two isomeric crystalline bases C10H9N that are used especially in synthesizing dyes
especially : one (β–naphthylamine) with the amino group in the beta position that has been demonstrated to cause bladder cancer in individuals exposed to it while working in the dye industry

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