Definition, Meaning & Synonyms

ester

Noun

/ˈɛstər/

Definition

A type of organic compound formed from the reaction between an alcohol and an acid, where the hydroxyl group of the acid is replaced by an alkoxy group from the alcohol.

Examples

Ethyl acetate is an ester used as a solvent in nail polish remover.
Butyl acetate is known for its fruity smell and is used in coatings and adhesives.
In the process of fermentation, the formation of esters can create the fruity flavors found in some wines.