单词 | rhabarbaric |
释义 | rhabarbaricadj. Chemistry. Now disused. rhabarbaric acid n. an acid isolated from rhubarb, later identified with chrysophanic acid. ΘΚΠ the world > matter > chemistry > organic chemistry > acids obtained from plants or trees > [noun] > rhabarbaric acid rhabarbarin1824 rhabarbaric acid1840 the world > matter > chemistry > organic chemistry > acids obtained from plants or trees > [noun] > miscellaneous others rheumic acid1816 arabic acida1836 rubiacic acid1835 aspartic acid1836 sylvic acid1836 tannic acid1836 oenanthic acid1837 gummic acid1838 retinic acid1838 roccellic acid1838 rubinic acid1838 lobelic acid1840 polychromatic acid1840 rhabarbaric acid1840 roccelline1840 humic1844 sumbulolic acid1844 isatic acid1845 opianic acid1845 parthenic acid1845 polychromic acid1847 styphnic acid1848 metapectic acid1849 tanningenic acid1852 jalapic acid1853 jalapinolic acid1855 sinapic acid1857 amalic acid1863 phycic acid1864 filicic acid1865 isamic acid1865 tannocaffeic acidc1865 tricarballylic acid1865 guaiaretic acid1866 pectous acid1866 phytomelin1866 porphyric acid1866 thujetic acid1868 turpetholic acid1868 viridic acid1868 rheotannic acid1869 arabinic acid1870 frangulic1872 sclerotic acid1876 theobromic acid1878 gynocardic acid1897 chaulmoogric acid1904 1840 J. Pereira Elements Materia Medica 817 Pfaff's rhabarberin consists of uncrystallizable sugar, extractive, resin, rhabarberic acid, and tannin. 1850 Chem. Gaz. 8 100 It [sc. erythrose] is almost entirely soluble in alcohol and in æther, which on evaporation furnish rhabarbaric or erythrosic acid. 1860 M. L. Knapp Res. Primary Pathol. (ed. 2) II. 81 Rhubarb contains..rhubarberic, gallic, and pectic acid. 1868 H. Watts Dict. Chem. Rhubarbaric acid, Rhubarbarin, syn. with Chrysophanic Acid. 1906 H. W. Felter & J. U. Lloyd King's Amer. Dispensatory (ed. 19) I. 46 This coloring matter had been known under the names of rheine, rheumine, rhabarberic acid, rhubarb yellow, etc. This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022). < adj.1840 |
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