Ester
Pronunciation : Es"ter
Part of Speech : n.
Etymology : [A word invented by L. Gmelin, a German chemist.] (Chem.)
Definition : Defn: An ethereal salt, or compound ether, consisting of an organic radical united with the residue of any oxygen acid, organic or inorganic; thus the natural fats are esters of glycerin and the fatty acids, oleic, etc.
Source : Webster's Unabridged Dictionary, 1913