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Any of a class of compounds derived from an oxyacid, usually resulting from the reaction of an oxyacid and an alcohol with the elimination of water.
(Chemistry) chem any of a class of compounds produced by reaction between acids and alcohols with the elimination of water. Esters with low molecular weights, such as ethyl acetate, are usually volatile fragrant liquids; fats are solid esters
[C19: from German, probably a contraction of Essigäther acetic ether, from Essig vinegar (ultimately from Latin acētum) + Äther ether]
a chemical compound produced by the reaction between an acid and an alcohol with the elimination of a molecule of water, as ethyl acetate, C4H8O2, or methyl methacrylate, C5H8O2.
[1850–55; < German (1848), probably b. Essig vinegar and Ӓther ether]
An organic compound formed when an acid and an alcohol combine and release water. Animal and vegetable fats and oils are esters.
An organic compound formed from an alcohol and an organic acid.
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|Noun||1.||ester - formed by reaction between an acid and an alcohol with elimination of water|
citrate - a salt or ester of citric acid
lactate - a salt or ester of lactic acid
organic compound - any compound of carbon and another element or a radical
banana oil - a liquid ester derived from amyl alcohol; has the odor of bananas
cellulose ester - any ester of cellulose with an acid
cyclohexanol phthalate - the cyclohexanol ester of phthalic acid
ethyl acetate - a fragrant colorless flammable volatile liquid ester made from ethanol and acetic acid; used in flavorings and perfumes and as a solvent for plastics
glyceryl ester - an ester of glycerol
maleate - a salt or ester of maleic acid; used as a nontricyclic antidepressant drug for psychomotor activation
nucleotide, base - a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA)
polyester - a complex ester used for making fibers or resins or plastics or as a plasticizer
urethane - an ester of carbamic acid