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Definition of: rosaniline
(rō·zan′ə·lin, -lēn) noun Chem.
1. colorless, crystalline organic compound, C20H21ON3, having basic properties, obtained from aniline by treatment with reagents, as arsenic acid, nitric acid, and stannic chloride. It forms reddish salts, used as dyestuffs.
2. Some salt of this base used as a dyestuff, as fuchsin or rosein. [<ROSE1 + ANILINE]
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