Source : Webster's Revised Unabridged Dictionary (1913)

Triolein \Tri*o"le*in\ (tr[-i]*[=o]"l[-e]*[i^]n), n. [Pref. tri-
   + olein.] (Physiol. Chem.)
   See {Olein}.

Source : WordNet®

triolein
     n : a naturally occuring glyceride of oleic acid that is found
         in fats and oils [syn: {olein}]