es·ter /ˈɛstɚ/
酯
es·ter /ˈɛstɚ/ 名詞
酯
Es·ter n. Chem. 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.
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ester
n : formed by reaction between an acid and an alcohol with
elimination of water