'Vanillin' definitions:

Definition of 'vanillin'

From: WordNet
noun
A crystalline compound found in vanilla beans and some balsam resins; used in perfumes and flavorings

Definition of 'Vanillin'

From: GCIDE
  • Vanillin \Va*nil"lin\, n. (Chem.) A white crystalline aldehyde having a burning taste and characteristic odor of vanilla. It is extracted from vanilla pods, and is also obtained by the decomposition of coniferin, and by the oxidation of eugenol. [1913 Webster]