ionamine
/ʌɪˈɒnəmiːn/ /ʌɪˈɒnəmɪn/Chemistry. Now historical
noun
Any of a group of related diazo compounds formerly used as specific dyes for rayon.
- The dyes are methane sulphonates, typically with the general formula X·N2·Y·NR·CH2SO3Na, where X and Y are substituted benzene nuclei..
Origin
1920s; earliest use found in The Glasgow Herald. From ion + amine.