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单词 margarin
释义

margarinn.

Forms: 1800s margarin, 1800s margarine.
Origin: A borrowing from French. Etymon: French margarine.
Etymology: < French margarine (M. E. Chevreul 1813, in Ann. de chim. 88 231) < μαργαρ- (in ancient Greek μαργαρίτης margarite n.1) + French -ine -ine suffix5 (with change in the form of the suffix in English: see -in suffix1). The substance was so called on account of its having the appearance of mother-of-pearl. N.E.D. (1905) gives the pronunciation as (mā·ɹgărin) /ˈmɑːɡərɪn/.
Chemistry. Obsolete.
A glyceryl ester of margaric acid.The margarine of Chevreul was really a mixture of stearin and palmitin. Cf. margaric adj. 1a.
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1821 A. Ure Dict. Chem. at Acid A substance of a peculiar kind, that M. Chevreul, the discoverer, calls margarine, or margaric acid.
1836 W. T. Brande Man. Chem. (ed. 4) iii. vii. §12. 963 Margarine. This substance forms a part of mutton-suet, hogs'-lard, and some other animal fats.
1852 H. Watts tr. L. Gmelin Hand-bk. Chem. VII. 237 Human fat (a mixture of margarin and olein).
c1865 H. Letheby in J. Wylde Circle of Sci. I. 93/1 We have..tallow and its derivatives stearine and stearic acid, margarine and margaric acid.
1878 Encycl. Brit. VI. 104/2 The oil [sc. cod-liver oil] contains olein and margarin.
1879 W. Rossiter Illustr. Dict. Sci. Terms 210 Margarin, C54H104O6: a compound crystalline substance found in fat, olive oil, &c.
1890 J. Cagney tr. R. von Jaksch Clin. Diagnosis iv. 82 Fatty Crystals (Margarine Needles).—These are seen chiefly in putrid bronchitis and pulmonary gangrene.
This entry has been updated (OED Third Edition, December 2000; most recently modified version published online September 2021).
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n.1821
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