aceto-, acet-; relating to acetic acid derivatives

Italic vinegar.

Acetum Italum is the harsh, biting wit of the Romans, or also Roman sarcasm.

The univalent group, CH₃CO–, derived from acetic acid: The organic acetyl group can also be termed as the acetyl radical.

Any enzyme catalyzing acetylation or deacetylation: Acetylase is a complex protein that can form acetyl esters by catalization.

The formation of an acetyl derivative: Acetylation is the procedure of putting an acetyl group into a compound.

The acetic ester of choline, the neurotransmitter substance at cholinergic synapses: Acetylcholine can cause cardiac inhibition.

A reference to, or characteristic of the acetyl group: In organic chemistry the acetylic classification includes a two-carbon organic radical incorporating a methyl and a carbonyl group.

Pertaining to, and designating, a substance (acetone) obtained by the distillation of the acetates: Pyroacetic liquid is now also called "pyroacetic ether", and formerly was called "pyroacetic spirit".

An acetate incorporating an overabundance of the basic constituent: Verdigris is a subacetate of copper when it has been exposed to air or water for a long time.