| n. | 1. | (Chem.) 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 It may be regarded as ammonia in which one hydrogen atom has been replaced by the radical phenyl.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. |
| a. | 1. | Made from, or of the nature of, aniline. |
| Noun | 1. | aniline - oily poisonous liquid amine obtained from nitrobenzene and used to make dyes and plastics and medicines |