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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.


ricinoleic acid

/ -ˈnəʊlɪɪk; ˌrɪsɪnəʊˈliːɪk /

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: C 18 H 34 O 3
  2. the mixture of fatty acids obtained by hydrolysing castor oil
“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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Word History and Origins

Origin of ricinoleic acid1

First recorded in 1840–50
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Word History and Origins

Origin of ricinoleic acid1

C19: from ricin + oleic acid
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Example Sentences

It contains palmitic and several other fatty acids, among which there is one—ricinoleic acid—peculiar to itself.

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