1,1-diethoxyethane; a colourless volatile liquid used as a solvent and in perfumes. Formula: CH3CH(OC2H5)2
2.
any organic compound containing the group -CH(OR1)OR2, where R1 and R2 are other organic groups
Word origin
C19: from German Azetal, from aceto- + alcohol
acetal in American English
(ˈæsɪˌtæl)
noun
any of a class of organic compounds; esp., CH3CH(OC2H5)2, 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