산의 수소 원자가 알킬기나 다른 유기 집단으로 치환되어 생성되는 유기 화합물.
An organic compound produced by the reaction between an acid and an alcohol, where the hydrogen of the acid is replaced by an alkyl or other organic group.
예문:
"Ethyl acetate is a widely used ester that serves as a solvent in nail polish removers."
"The sweet fragrance of a ripe banana is primarily due to an ester called isoamyl acetate."
"Esters are formed through a process known as esterification, typically involving a catalyst."