Definition of pararosaniline in US English:

pararosaniline

(also pararosanilin)

noun

Chemistry
  • A colourless, crystalline alcohol, (H₂NC₆H₄)₃COH, which is used in making triphenylmethane dyes and whose red hydrochloride is used as a stain in microscopy.

Origin

Late 19th century; earliest use found in Journal of the Chemical Society. From para- + rosaniline, after German Pararosanilin.