ethanaln.
/ˈɛθənal/, U.S. /ˈɛθəˌnæl/ Chemistry.
= acetaldehyde n.
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the world > matter > chemistry > organic chemistry > aldehydes or alkanals > [noun] > acetaldehyde
aldehyde1835
acetaldehyde1864
ethanal1892
1892 Proc. Chem. Soc. 8 July 128 As ol is indicative of an OH derivative, there seems no reason why the simple word acid should not connote carboxyl, and why al should not connote COH; the names ethanol ethanal and ethanoic acid or simply ethane acid would then stand for the OH, COH and COOH derivatives of ethane.
1894 G. M'Gowan tr. A. Bernthsen Text-bk. Org. Chem. (ed. 2) ii. v. 147 Acetic aldehyde (ethanal).
1948 A. W. Ralston Fatty Acids x. 822 The absorption spectra of the vapors of the saturated aldehydes from ethanal to heptanal inclusive have been investigated.
1966 J. W. Buttle et al. Chem. xxiv. 453 Ethanal is used in the manufacture of ethanoic (acetic) acid, D.D.T. and various drugs.
2011 Straits Times (Singapore) (Nexis) 11 Dec. Hangover symptoms are a result of ethanol in alcohol being broken down by liver enzymes to form ethanal.
This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022).
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n.1892