单词 | ethanol |
释义 | ethanoln. Chemistry. A colourless volatile flammable liquid which is the intoxicating constituent of wine, beer, spirits, and other drinks, and is used as an industrial solvent and as fuel; = alcohol n. 3a, ethyl alcohol n. at ethyl n. Compounds 2.Ethanol is a derivative of ethane containing a hydroxyl group (cf. alcohol n. 4). Formula: C2H5OH. ΘΚΠ the world > matter > chemistry > organic chemistry > alcohols > [noun] > monohydric alcohols by number of carbon atoms > two ethyl alcohol1850 ethanol1892 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. 1931 Chem. Rev. 8 201 Bishop..used the hydrogen electrode for titrations in ethanol and emphasized the effect of the low self-ionization of the solvent on the titration curves. 1946 Nature 23 Nov. 744/2 A solution of the substance in 10 per cent aqueous ethanol gave no coloration with ferric chloride. 1980 Courier-Mail (Brisbane) 27 Feb. 13/1 Ethanol produced from sugar cane will be used by Mackay City Council vehicles this year to test its potential as an alternative fuel source. 1993 Latest Word Dec. 26/2 Pulmonary TB and chronic alcoholism have long been associated, though there is no direct evidence that ethanol itself triggers the onset..of mycobacterial disease. 2008 Guardian 19 June (Technology section) 5/1 In the US, corn kernels provide the main source of ethanol for fuel. Compounds General attributive. ΚΠ 1900 Jrnl. Chem. Soc. A. 78 i. 618 Ethanol mercury salts in alkaline solution yield no precipitate with potassium sulphide. 1944 K. S. Markley & W. H. Goss Soybean Chem. & Technol. 30 On cooling the ethanol solution, sitosteryl-d-glucoside was obtained as a white powder. 1990 BBC Wildlife July 457/1 Up to 40 per cent of the entire US corn harvest would have to be earmarked for ethanol production in order to meet just 10 per cent of current fuel demand. 1992 M. Crichton Rising Sun 119 Ethanol dehydrogenase. It's an enzyme. Missing in Japanese. 2008 Herald-Times (Bloomington, Indiana) 2 Sept. a8/4 Most consumers would purchase ethanol vehicles..only if ethanol is as available and as plentiful as petro-fuels. This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022). < n.1892 |
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