[ oh-lee-in ]
/ ˈoʊ li ɪn /

noun Chemistry.

Also called glyceryl trioleate, triolein. a colorless to yellowish, oily, water-insoluble liquid, C57H104O6, the triglyceride of oleic acid, present in many vegetable oils.
the oily or lower-melting fractions of a fat as distinguished from the solid or higher-melting constituents.

Origin of olein

1830–40; < French oléine, equivalent to olé- (< Latin oleum oil) + -ine -in2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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British Dictionary definitions for olein

/ (ˈəʊlɪɪn) /


another name for triolein

Word Origin for olein

C19: from French oléine, from Latin oleum oil + -in
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