any of a class of organic compounds; esp., CHCH(OCH), a colorless, slightly soluble, volatile liquid formed by the partial oxidation of ethyl alcohol: used as a solvent, in organic synthesis, and sometimes as a hypnotic
Origin:
acet(o)- + -al
See acetal in American Heritage Dictionary 4
noun
A colorless, flammable, volatile liquid, CH3CH(OC2H5)2, used in cosmetics and as a solvent.
Any of the class of compounds formed from aldehydes combined with alcohol.