Definition, Meaning & Synonyms

ester

Noun

/ˈɛstər/

Definition

A chemical compound derived from an acid (usually organic) in which at least one hydroxyl group is replaced by an alkoxy group.

Examples

The fruity smell of strawberries is due to the presence of an ester called ethyl butyrate.
Esterification is the process where an alcohol reacts with an acid to form an ester and water.
Many natural oils contain esters that give them their distinctive aromas.

Meaning

Esters are often used in the production of fragrances and flavors due to their appealing scents. They are also important in the chemical industry for creating plastics and other materials.