单词 | acetic acid |
释义 | acetic acidn. Chemistry. A weak acid which gives vinegar its characteristic taste and pungent smell, and in relatively pure form exists as a clear viscous liquid or glassy solid; also called ethanoic acid.Acetic acid is a carboxylic acid; CH3COOH. When pure and anhydrous, it is known as glacial acetic acid. Vinegar is a dilute solution of acetic acid. ΘΚΠ the world > food and drink > food > additive > acid or tart flavouring > [noun] > vinegar eisellc1160 vinegarc1315 acetum1526 acetous acid1786 acetic acid1788 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 1788 J. St. John tr. L. B. Guyton de Morveau et al. Method Chym. Nomencl. 35 To distinguish the acetic acid, and the acetous acid. 1801 W. Henry Epitome Chem. i. xxviii. 123 Acetic Acid..has a very strong taste, and a most pungent smell. 1813 H. Davy Elements Agric. Chem. iii. 95 Acetic acid, or vinegar, may be obtained from the sap of different trees. 1860 G. W. S. Piesse Lab. Chem. Wonders 97 Concentrated acetic acid is also a powerful disinfectant. 1907 G. M. Norman Systematic Pract. Org. Chem. i. iii. 8 Strong sulphuric acid liberates acetic acid from acetates, especially on heating. 1941 R. Headstrom Adventures with Microscope xi. 39 Place a few filaments of the Algæ in a solution of eosin and add a few drops of acetic acid. 1990 M. Crichton Jurassic Park (1991) 36 She showed Morris the acetic acid baths, which were used to dissolve away the limestone from the delicate bones. 2002 R. Sterling et al. World Food: Greece 85 Many barrel wines exhibit a hint of acetic acid, the stuff of vinegar. This entry has been updated (OED Third Edition, September 2009; most recently modified version published online December 2021). < n.1788 |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。