D defs.my
Entry 2 senses Webster, 1913

acetol

· ac·e·tol · IPA
01 n. Methyl ketol; also, any of various homologues of the same.
  1. 1.
    Methyl ketol; also, any of various homologues of the same.(Chem.)
  2. 2.
    a trade name used at different times to represent different substances, as hydroxyacetone, acetylsalicylic acid, acetal, diethyl aldehyde, or cellulose acetate.[cap.]