aniline noun. ['anɪli:n, -lɪn] M19.
[from ANIL + -INE⁵: it was orig. prepared by distilling indigo with alkali.]
Chemistry. A colourless basic oily liquid, C₆H₅NH₂, that is present in coal tar and was the basis of the earliest synthetic dyes.
attrib. (usu. with ref. to or in names of dyes): aniline black, aniline colour, aniline dye, etc.

■ anilide noun any substituted amide having a phenyl group bonded to the nitrogen atom M19.

[TahlilGaran] English Dictionary ▲