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.
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Origin of ricinoleic acid
First recorded in 1840–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for ricinoleic acid
/ (ˌrɪsɪnəʊˈliːɪk, -ˈnəʊlɪɪk) /
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
Word Origin for ricinoleic acid
C19: from ricin + oleic acid
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