单词 | aconic |
释义 | aconicadj.ΘΚΠ the world > physical sensation > use of drugs and poison > poison > [adjective] atternc950 atteryc1000 venomousc1330 atteringc1400 poisonous1425 venenousc1425 malice1447 toxicatec1475 poisonable?a1505 empoisoning1526 venomful1544 poisonful1547 poisoning1561 infectious1585 poisonsome1590 banefula1593 poisony1605 toxical1607 aconic1623 mephitic1623 intoxicative1632 venefic1646 toxic1664 venene1665 venenose1673 virose1680 mephitical1704 venefical1716 septinous1875 virific1885 nocuous1890 biocidal1932 1623 H. Cockeram Eng. Dict. sig. B2 Aconicke, poysonous. 1666 W. Austin Ἐπιλοίμια Ἔπη: Anat. Pestilence iii. 104 Treacle, to use the right, we must not make Of trivial, aconicke earthly snake. 1725 J. Roderick Eng. & Welch Dict. Aconick, or poisonous: gwenwynllyd. 2. Chemistry. aconic acid n. a crystalline carboxylic acid obtained by heating itaconic acid.Aconic acid is a lactone with an unsaturated five-membered ring in its molecule. Formula: C5H4O4. ΘΚΠ the world > matter > chemistry > organic chemistry > organic acids > [noun] > carboxylic acids > miscellaneous others urobenzoic acid1836 adipic acid1838 azelaic acid1838 isethionic acid1838 rutinic acid1845 rutic acid1848 glyoxylic acid1856 malonic acid1859 piperic acid1863 butalanine1865 methacrylic acid1865 barbituric acid1866 pichuric acid1866 carboxylic acid1868 gluconic acid1871 xylic acid1872 xylidic acid1872 aconic acid1873 formobenzoic1873 nicotinic acid1873 hydracrylic acid1877 undecylenic acid1879 isonicotinic acid1883 isatoic acid1885 linolenic acid1887 hendecenoic acid1889 heptenoic acid1889 mannonic acid1890 phenolcarboxylic acid1893 naphthenic acid1894 aldonic acid1904 naphthaleneacetic acid1917 heptanoic acid1928 hexuronic acid1928 pantothenic acid1933 neuraminic acid1942 pantoic acid1945 penicillanic acid1953 mevalonic acid1957 retinoic acid1960 isobutyric acid- 1873 I. Remsen tr. R. Fittig Wöhler's Outl. Org. Chem. 163 Easily soluble, crystalline aconic acid C5H4O4. 1877 G. Fownes Man. Elem. Chem. (ed. 12) II. 355 By boiling with baryta-water, aconic acid is resolved into formic and succinic acids. 1949 Jrnl. Amer. Chem. Soc. 71 3064/2 Under the conditions that were successful with crotonic acid, aconic acid, β-angelica lactone, and β-acetylacrylic acid gave low yields of products that were not investigated further. 1994 New Phytologist 126 616/2 10 ml of the supernatant was dried overnight in the dark (to prevent breakdown of citric acid and aconic acid). This entry has been updated (OED Third Edition, September 2009; most recently modified version published online December 2021). < adj.1623 |
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