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单词 rheumin
释义

rheuminn.

Brit. /ˈruːmɪn/, U.S. /ˈrumɪn/
Forms: 1800s– rheumin, 1800s– rheumine.
Origin: Formed within English, by derivation; modelled on a German lexical item. Etymons: Rheum n.2, -in suffix1.
Etymology: < Rheum n.2 + -in suffix1, after German Rheumin (G. L. Hornemann 1822, in Berlinisches Jahrbuch für die Pharmacie 267). Compare French rheumine (1828 or earlier).
Chemistry. Now disused.
= rhein n. 1.
ΘΚΠ
the world > matter > chemistry > organic chemistry > acids obtained from plants or trees > [noun]
vegetable acid1698
rhein1827
igasuric acid1830
rheumin1832
rheic acid1838
strychnic acid1840
1832 H. Reid Outl. Med. Bot. ii. 255 There are three kinds of rhubarb... Its virtues are said to be dependent on a peculiar principle called rheumine.
1850 Trans. N.Y. State Agric. Soc. 1849 9 748 It [sc. rhubarb] contains Rhein. (Syn. Rhabarbaric acid, Rhubarb Yellow, Rheumin.)
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).
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n.1832
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