- a colorless to yellow, viscous, liquid, water-insoluble, unsaturated hydroxyl acid, C18H34O3, occurring in castor oil in the form of the glyceride: used chiefly in soaps and textile finishing.
Origin of ricinoleic acid
First recorded in 1840–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- an oily unsaturated carboxylic acid found, as the glyceride, in castor oil and used in the manufacture of soap and in finishing textiles; 12-hydroxy-9-octadecanoic acid. Formula: C 18 H 34 O 3
- the mixture of fatty acids obtained by hydrolysing castor oil
C19: from ricin + oleic acid
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012