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单词 acetal
释义

WordReference Random House Unabridged Dictionary of American English © 2024
ac•e•tal  (asi tal′),USA pronunciation n. [Chem.]
  1. ChemistryAlso called diethylacetal. a colorless, volatile, sparingly water-soluble liquid, C6H14O2, having a nutlike aftertaste, obtained from acetaldehyde and ethyl alcohol: used chiefly as a solvent and in the manufacture of perfumes.
  2. Chemistryany of a class of compounds of aldehydes with alcohols.
  • acet- + -al3 1850–55

Collins Concise English Dictionary © HarperCollins Publishers::
acetal /ˈæsɪˌtæl/ n
  1. 1,1-diethoxyethane; a colourless volatile liquid used as a solvent and in perfumes. Formula: CH3CH(OC2H5)2
Etymology: 19th Century: from German Azetal, from aceto- + alcohol
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