IPA: //əˈsɛtɪl//
KK: /əˈsɛtɪl/
A chemical group derived from acetic acid, consisting of a carbon atom double-bonded to an oxygen atom and single-bonded to a methyl group.
Acetyl is an important functional group in organic chemistry.
Acetyl is derived from "acetum" (meaning vinegar) and "-yl" (a suffix used in chemistry to denote a radical or group). The term acetyl refers to a specific chemical group derived from acetic acid, which is the main component of vinegar.
Think of 'acetum' as vinegar, which helps you remember that acetyl is related to a chemical group derived from acetic acid, the main ingredient in vinegar.