English-Thai Dictionary
aldehyde
N อินท รีย สารที่ ประกอบด้วย กลุ่ม ธาตุ CHO in-si-ya-san-ti-pra-kob-duai-klum-thad
Webster's 1913 Dictionary
ALDEHYDE
Al "de *hyde, n. Etym: [Abbrev. fr. alcohol dehydrogenatum, alcohol deprived of its hydrogen. ] (Chem. )
Defn: A colorless, mobile, and very volatile liquid obtained from alcohol by certain of oxidation.
Note: The aldehydes are intermediate between the alcohols and acids, and differ from the alcohols in having two less hydrogen atoms in the molecule, as common aldehyde (called also acetic aldehyde or ethyl aldehyde ), C2H4O; methyl aldehyde, CH2O. Aldehyde ammonia (Chem. ), a compound formed by the union of aldehyde with ammonia.
New American Oxford Dictionary
aldehyde
al de hyde |ˈaldəˌhīd ˈældəhaɪd | ▶noun Chemistry an organic compound containing the group −CHO, formed by the oxidation of alcohols. Typical aldehydes include methanal (formaldehyde ) and ethanal (acetaldehyde ). DERIVATIVES al de hy dic |ˌaldəˈhīdik |adjective ORIGIN mid 19th cent.: shortened from Latin alcohol dehydrogenatum ‘alcohol deprived of hydrogen. ’
Oxford Dictionary
aldehyde
aldehyde |ˈaldɪhʌɪd | ▶noun Chemistry an organic compound containing the group −CHO, formed by the oxidation of alcohols. Typical aldehydes include methanal (formaldehyde ) and ethanal (acetaldehyde ). DERIVATIVES aldehydic |ˌaldɪˈhɪdɪk |adjective ORIGIN mid 19th cent.: shortened from Latin alcohol dehydrogenatum ‘alcohol deprived of hydrogen ’.
The Wordsmith Dictionary