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单词 pyroacetic
释义

pyroaceticadj.

Brit. /ˌpʌɪrəʊəˈsiːtɪk/, /ˌpʌɪrəʊəˈsɛtɪk/, U.S. /ˈˌpaɪroʊəˈsidɪk/
Origin: Formed within English, by compounding; modelled on a French lexical item. Etymons: pyro- comb. form, acetic adj.
Etymology: < pyro- comb. form + acetic adj., after French pyro-acétique (in ether pyro-acétique (J.-F. Derosne & L.-C. Derosne 1808, in Ann. de chimie 63 279) and esprit pyroacétique (R. Chenevix 1809, in Ann. de chimie 69 10)).
Chemistry. Now historical and rare.
1. pyroacetic ether n. = acetone n.
ΘΚΠ
the world > matter > chemistry > organic chemistry > ketones > [noun] > others
pyroacetic ether1810
pyroacetic spirit1810
pyroacetic acid1819
margarone1834
oleone1834
stearone1836
acetone1838
valerone1839
benzoin1863
acetophenone1871
anthrone1881
ionone1893
Michler's ketone1897
chalcone1899
butanone1902
butyrophenone1908
alkenone1945
tropolone1945
1810 R. Chenevix in Jrnl. Nat. Philos. July 228 Messrs. Derosne have given it the name of pyroacetic ether [Fr. ether pyro-acétique]; but this seems to me to be determining its nature too precisely, and I have called it by the more general term of pyroacetic spirit.
1991 J. H. Montgomery Groundwater Chemicals Field Guide 3 Acetone. Synonyms:..Pyroacetic acid; Pyroacetic ether.
2. pyroacetic spirit n. = acetone n.
ΘΚΠ
the world > matter > chemistry > organic chemistry > ketones > [noun] > others
pyroacetic ether1810
pyroacetic spirit1810
pyroacetic acid1819
margarone1834
oleone1834
stearone1836
acetone1838
valerone1839
benzoin1863
acetophenone1871
anthrone1881
ionone1893
Michler's ketone1897
chalcone1899
butanone1902
butyrophenone1908
alkenone1945
tropolone1945
1810 R. Chenevix in Jrnl. Nat. Philos. July 228 Messrs. Derosne have given it the name of pyroacetic ether; but this seems to me to be determining its nature too precisely, and I have called it by the more general term of pyroacetic spirit [Fr. esprit pyroacétique].
1844 G. Fownes Man. Elem. Chem. 408 Acetone; pyroacetic spirit... A peculiar inflammable, volatile liquid, designated by the above names.
1962 M. P. Crosland Hist. Stud. Lang. Chem. v. i. 292 A neutral substance, obtained by the distillation of calcium acetate, was described as ‘pyro-acetic spirit’.
3. pyroacetic acid n. = pyroligneous acid n. at pyroligneous adj. Compounds; (also) = acetone n.
ΘΚΠ
the world > matter > chemistry > organic chemistry > ketones > [noun] > others
pyroacetic ether1810
pyroacetic spirit1810
pyroacetic acid1819
margarone1834
oleone1834
stearone1836
acetone1838
valerone1839
benzoin1863
acetophenone1871
anthrone1881
ionone1893
Michler's ketone1897
chalcone1899
butanone1902
butyrophenone1908
alkenone1945
tropolone1945
1819 W. T. Brande Man. Chem. vi. 425 The acetates..when submitted to destructive distillation furnish a modified vinegar, which has been termed pyroacetic acid or spirit.
1847 Lancet 22 May 536/1 He employed with success the internal exhibition of pyro-acetic acid, as recommended by Dr. Hastings.
1991 J. H. Montgomery Groundwater Chemicals Field Guide 3 Acetone. Synonyms:–Pyroacetic acid; Pyroacetic ether.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).
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adj.1810
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