Acetin is a term that is generally used to describe an ester derived from acetic acid. There are different synonyms for acetin that can be used interchangeably depending on the context. One of the most commonly used synonyms for acetin is ethyl acetate, which is an ester formed when ethanol and acetic acid react. Other synonyms for acetin include acetic ether, vinegar naphtha, and ester of acetic acid. Acetin is also referred to by its systematic name, ethyl ethanoate. It is worth noting that while these terms are considered synonyms of acetin, they may not always be interchangeable in certain situations.