(Chemistry)an organic compound containing the group -CHO, formed by the oxidation of alcohols. Typical aldehydes include methanal (formaldehyde) and ethanal (acetaldehyde) (化)醛,乙醛
派生 aldehydic [ˌaldɪˈhɪdɪk] adjective 语源
mid 19th cent.: shortened from Latin alcohol dehydrogenatum 'alcohol deprived of hydrogen'