| 释义 |
ke·tone
\ˈkēˌtōn\ noun
(-s)
Etymology: German keton, alteration of azeton acetone — more at acetone
: any of a class of organic compounds (as acetone) that are characterized by a carbonyl group attached to two carbon atoms usually contained in hydrocarbon radicals (as in the general formula RCOR) or in a single bivalent radical and that are similar to aldehydes but are less reactive |