SINCE 1828
emeraldine
adjective
em·er·al·dine
| \-lˌdēn, -dīn\
Definition of emeraldine
(Entry 1 of 2)
emeraldine
noun
em·er·al·dine
| \-dēn\
plural -s
Definition of emeraldine (Entry 2 of 2)
: a blue basic compound yielding bottle-green salts with acids that is formed as an intermediate in the production of aniline black
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