| 释义 |
ac·e·tal
\ˈasəˌtal\ noun
(-s)
Etymology: German azetal, from azet- acet- + alkohol alcohol
1. : any of a class of organic compounds characterized by the grouping >C(OR)2 and usually made from aldehydes or ketones by reaction with alcohols; specifically : any acetal derived from acetaldehyde (as by the catalytic addition of an alcohol to acetylene or a vinyl ether)
< dimethyl acetal CH3CH(OCH3)2 >
2. : a colorless liquid CH3CH(OC2H5)2 made by the reaction of ethyl alcohol with acetaldehyde and used as a solvent |