ethanoicadj.

Brit.

/ˌɛθəˈnəʊɪk/, U.S.

/ˌɛθəˈnoʊɪk/

Origin: Formed within English, by compounding; modelled on a French lexical item. Etymons: ethane n., -oic comb. form.

Etymology: < ethane n. + -oic comb. form, after French éthanoïque (1892 or earlier).In ethanoic anhydride n. at sense 2 after French anhydride éthanoïque (1892 or earlier).

Chemistry.

1. ethanoic acid n. = acetic acid n.

ΘΚΠ

the world > matter > chemistry > organic chemistry > organic acids > [noun] > carboxylic acids > acetic acid

radicated vinegar1660

radicate vinegar1694

radical vinegar?1766

acetic acid1788

zoonic acid1798

ethanoic acid1892

the world > matter > chemistry > organic chemistry > hydrocarbons > [adjective] > hydrocarbon radicals > by number of carbon atoms > two

ethanoic acid1892

ethynyl1933

1892 Chem. News 10 June 278/1 The name of the monobasic acids of the fatty series is to be taken from that of the corresponding hydrocarbon followed by the suffix oic... CH₃—CO₂H. Ethanoic acid.

1936 A. Lowy & B. Harrow Introd. Org. Chem. (ed. 4) viii. 91 Acetic acid.—CH₃·COOH (ethanoic acid), occurs in fruits and oils in the form of esters.

1996 H. W. Paul Sci., Vine, & Wine in Mod. France xi. 321 In the absence of air the acetic or ethanoic acid is hydrogenated and in the presence of air it is dehydrogenated.

2003 Guardian (Nexis) 23 Sept. 8 Alcohol is broken down in the liver, first to acetaldehyde, and then to ethanoic acid, or vinegar.

2. ethanoic anhydride n. = acetic anhydride n. at acetic adj. Compounds.

ΘΚΠ

the world > matter > chemistry > organic chemistry > acid anhydrides > [noun]

isatoic acid1885

ethanoic anhydride1892

isatoic anhydride1899

1892 Chem. News 10 June 278/1 The anhydrides are to retain..names derived from those of the corresponding acids (ethanoic anhydride).

1921 T. H. Pope tr. E. Molinari Treat. Gen. & Industr. Org. Chem. (new ed.) 381 Acetic Anhydride (Ethanoic Anhydride), (CH₃·CO)₂O, is of importance industrially owing to its use in many organic syntheses.

1978 G. C. Hill & J. S. Holman Chem. in Context xxxi. 498 Industrially, ethanoic anhydride is made either from ethanal or from ethanoic acid (in the latter case, indirectly, not by direct dehydration).

2012 Press & Jrnl. (Aberdeen) (Nexis) 23 Mar. 6 The spilled chemical, ethanoic anhydride, is a clear-coloured liquid and gives off a pungent, penetrating smell.

This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022).

单词	ethanoic
释义	ethanoicadj. Brit. /ˌɛθəˈnəʊɪk/, U.S. /ˌɛθəˈnoʊɪk/ Origin: Formed within English, by compounding; modelled on a French lexical item. Etymons: ethane n., -oic comb. form. Etymology: < ethane n. + -oic comb. form, after French éthanoïque (1892 or earlier).In ethanoic anhydride n. at sense 2 after French anhydride éthanoïque (1892 or earlier). Chemistry. 1. ethanoic acid n. = acetic acid n. ΘΚΠ the world > matter > chemistry > organic chemistry > organic acids > [noun] > carboxylic acids > acetic acid radicated vinegar1660 radicate vinegar1694 radical vinegar?1766 acetic acid1788 zoonic acid1798 ethanoic acid1892 the world > matter > chemistry > organic chemistry > hydrocarbons > [adjective] > hydrocarbon radicals > by number of carbon atoms > two ethanoic acid1892 ethynyl1933 1892 Chem. News 10 June 278/1 The name of the monobasic acids of the fatty series is to be taken from that of the corresponding hydrocarbon followed by the suffix oic... CH₃—CO₂H. Ethanoic acid. 1936 A. Lowy & B. Harrow Introd. Org. Chem. (ed. 4) viii. 91 Acetic acid.—CH₃·COOH (ethanoic acid), occurs in fruits and oils in the form of esters. 1996 H. W. Paul Sci., Vine, & Wine in Mod. France xi. 321 In the absence of air the acetic or ethanoic acid is hydrogenated and in the presence of air it is dehydrogenated. 2003 Guardian (Nexis) 23 Sept. 8 Alcohol is broken down in the liver, first to acetaldehyde, and then to ethanoic acid, or vinegar. 2. ethanoic anhydride n. = acetic anhydride n. at acetic adj. Compounds. ΘΚΠ the world > matter > chemistry > organic chemistry > acid anhydrides > [noun] isatoic acid1885 ethanoic anhydride1892 isatoic anhydride1899 1892 Chem. News 10 June 278/1 The anhydrides are to retain..names derived from those of the corresponding acids (ethanoic anhydride). 1921 T. H. Pope tr. E. Molinari Treat. Gen. & Industr. Org. Chem. (new ed.) 381 Acetic Anhydride (Ethanoic Anhydride), (CH₃·CO)₂O, is of importance industrially owing to its use in many organic syntheses. 1978 G. C. Hill & J. S. Holman Chem. in Context xxxi. 498 Industrially, ethanoic anhydride is made either from ethanal or from ethanoic acid (in the latter case, indirectly, not by direct dehydration). 2012 Press & Jrnl. (Aberdeen) (Nexis) 23 Mar. 6 The spilled chemical, ethanoic anhydride, is a clear-coloured liquid and gives off a pungent, penetrating smell. This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022). < adj.1892
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