the GNU version of the Collaborative International Dictionary of English
n. See olein.
The Century Dictionary and Cyclopedia
n. A glycerol ester containing three oleic acid radicals. It is at ordinary temperatures a clear oily liquid, nearly colorless, and is the chief conatituent of all fatty oils.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a naturally occurring glyceride of oleic acid that is found in fats and oils
Word Usage
"Oudemans it consists of 63\% triolein and 37\% tripalmin and tristearin; it is not poisonous."