Meaning of ester

es•ter

Pronunciation: (es'tur), [key]
— n. Chem.
  1. a compound produced by the reaction between an acid and an alcohol with the elimination of a molecule of water, as ethyl acetate, CHO, or dimethyl sulfate, CHSO.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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