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ricinoleic acid

noun, Chemistry.
1.
a colorless to yellow, viscous, liquid, water-insoluble, unsaturated hydroxyl acid, C 1 8 H 3 4 O 3 , occurring in castor oil in the form of the glyceride: used chiefly in soaps and textile finishing.
Origin of ricinoleic acid
1840-1850
First recorded in 1840-50
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Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for ricinoleic acid

ricinoleic acid

/ˌrɪsɪnəʊˈliːɪk; -ˈnəʊlɪɪk/
noun
1.
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: C18H34O3
2.
the mixture of fatty acids obtained by hydrolysing castor oil
Word Origin
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
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