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ester

Pronunciation: es'ter

Definition: An organic compound containing the grouping, –X(O)–O–R (X = carbon, sulfur, phosphorus, etc.; R = radical of an alcohol), formed by the elimination of H2O between the –OH of an acid group and the –OH of an alcohol group; usually written as in ethyl acetate (from acetic acid and ethyl alcohol), CH3CO—OC2H5 or CH3COOC2H5.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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