SG Heritage Dictionary

Undecyl [Noun] Webster's Dictionary 1913

The radical regarded as characteristic of undecylic acid.

Undecylenic [Adjective] Webster's Dictionary 1913

Pertaining to, or designating, an acid C11H20O2, homologous with acrylic acid, and obtained as a white crystalline substance by the distillation of castor oil.

Undecylic [Adjective] Webster's Dictionary 1913

Related to, derived from, or containing, undecyl; specifically, designating that member of the fatty acids which corresponds to undecane, and is obtained as a white crystalline substance, C11H22O2.