Medical Dictionary

phenylenediamine

noun phe·nyl·ene·di·amine
\ˈfen-əl-ˌēn-ˈdī-ə-ˌmēn, ˈfēn-\

Medical Definition of PHENYLENEDIAMINE

:  any of three toxic isomeric crystalline compounds C6H8N2 that are derivatives of benzene containing two amino groups attached to carbon atoms in the ortho, meta, or para positions—see quinoxaline

Browse

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears