单词 | pyroacetic |
释义 | pyroaceticadj. 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). < adj.1810 |
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