organic compound formed by reaction between an acid and an alcohol with elimination of water
"The chemist mixed acetic acid and ethanol in a beaker to synthesize ethyl acetate, confirming the formation of the ester through the loss of water."
A compound most often formed by the condensation of an alcohol and an acid, with elimination of water, which contains the functional group carbon-oxygen double bond (i.e., carbonyl) joined via carbon to another oxygen atom.
"The fruity aroma in the perfume comes from a synthetic ester created when ethanol reacts with acetic acid under heat."
A female given name
"The new headmistress, Ester, greeted every student by their first names during the morning assembly."