Webster's Revised Unabridged Dictionary · 1913

acetol

acetol , noun

[Acetic + -ol as in alcohol.]

1.
(Chemistry) Methyl ketol; also, any of various homologues of the same.
1.
a trade name used at different times to represent different substances, as hydroxyacetone, acetylsalicylic acid, acetal, diethyl aldehyde, or cellulose acetate. [cap.] — MI11