The Collaborative International Dictionary of English v.0.48:

Ricinolic \Ric`i*nol"ic\, a. (Chem.)
   Ricinoleic.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Ricinoleic \Ric`in*o"le*ic\, a. (Chem.)
   Pertaining to, or designating, a fatty acid analogous to
   oleic acid, obtained from castor oil as an oily substance,
   C18H34O3 with a harsh taste. Formerly written ricinolic
   and formerly referred to as palmic.
   [1913 Webster +PJC]