adj made from, or of the nature of, aniline.
2. aniline ·noun an organic base belonging to the phenylamines. it may be regarded as ammonia in which one hydrogen atom has been replaced by the radical phenyl. it is a colorless, oily liquid, originally obtained from indigo by distillation, but now largely manufactured from coal tar or nitrobenzene as a base from which many brilliant dyes are made.