Ester

['estə] or ['ɛstɚ]

Definition

(noun.) formed by reaction between an acid and an alcohol with elimination of water.

Checked by Dora--From WordNet

Definition

(n.) 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.

Checker: Zelig