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acetal Line breaks: acetal
Pronunciation: /ˈasɪtal/

Definition of acetal in English:


An organic compound formed by the condensation of two alcohol molecules with an aldehyde molecule.
  • Acetals have the general formula R1CH(OR2)2, where R1 and R2 are alkyl groups
Example sentences
  • Water, ethanol, volatile organic acids, aldehydes, esters, acetals, and ketones, many of them powerfully aromatic, are among the azeotrope components in wines.
  • Experience in distilling aldehydes led us to believe that acetaldehyde would form acetals in the overheads of the low pressure column.
  • The researchers have used supercritical CO 2 as medium for the conversion of alcohols to linear and branched ethers, to cyclic ethers, to aryl ethers and to acetals and ketals in good yields and, all-importantly, with high selectivities.


Mid 19th century: from acetic acid + al from alcohol.

Definition of acetal in:
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