Word Study
ester
CIDE DICTIONARY
ester, n. [A word invented by L. Gmelin, a German chemist.].
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. [1913 Webster]
OXFORD DICTIONARY
ester, n. Chem. any of a class of organic compounds produced by replacing the hydrogen of an acid by an alkyl, aryl, etc. radical, many of which occur naturally as oils and fats.
Derivative
esterify v.tr. (-ies, -ied).
Etymology
G, prob. f. Essig vinegar + {Auml}ther ether
THESAURUS
ester
animal oil, cerate, drying oil, essential oil, fat, fatty oil, fixed oil, glycerin, glycerin jelly, glycerogel, glycerogelatin, glycerol, glycerole, grease, hydrogenated fat, lipid, margarin, mineral oil, oil, olein, oleum, palmitin, polyunsaturated fat, sebum, stearin, tallow, triolein, tripalmitin, tristearin, unsaturated fat, vegetable oil, volatile oilFor further exploring for "ester" in Webster Dictionary Online