naphthylamine

noun

naph·​thyl·​amine naf-ˈthi-lə-ˌmēn 

 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

Medical Definition

naphthylamine

noun

naph·​thyl·​amine naf-ˈthil-ə-ˌmēn, nap- 

: 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