'Undecylenic' definitions:
Definition of 'Undecylenic'
From: GCIDE
- Undecylenic \Un*dec`y*len"ic\, a. (Chem.) Pertaining to, or designating, an acid C11H20O2, homologous with acrylic acid, and obtained as a white crystalline substance by the distillation of castor oil. [1913 Webster]