auramine

noun

au·​ra·​mine

ˈȯrəˌmēn,

-mə̇n

variants or less commonly auramin

ˈ⸗⸗mə̇n

plural -s

: a bright yellow ketonimine dye C₁₇H₂₂CIN₃ of poor lightfastness and stability derived from diphenylmethane and used chiefly in coloring paper, in making pigments, in signal smokes, and as a fluorescent biological stain

called in full auramine O

Word History

Etymology

International Scientific Vocabulary aur- (from Latin aurum gold) + amine; originally formed as German auramin

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