/ Dictionary / Index A aniline: Meaning and Definition of Find definitions for: an•i•line Pronunciation: (an'l-in, -īn"), [key] — n. Also calleda colorless, oily, slightly water-soluble liquid, CHNH, usually derived from nitrobenzene by reduction: used chiefly in the synthesis of dyes and drugs. —adj. pertaining to or derived from aniline: aniline colors. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aniline (Thesaurus) anilide aniline black Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language