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单词 mesite
释义

mesiten.

Forms: 1800s mesit, 1800s mesita (irregular), 1800s mesite.
Origin: A borrowing from German. Etymon: German Mesit.
Etymology: < German Mesit (in sense a: K. F. von Reichenbach 1833, in Neues Jahrb. der Chem. u. Physik 9 177; in sense b: S. Weidmann & E. Schweizer 1838, in Ann. der Physik u. Chem. 43 616) < Hellenistic Greek μεσίτης go-between < μέσος (see meso- comb. form) + -ίτης -ite suffix1. Compare French mésite in sense b (1868 in Littré). N.E.D. (1906) gives the pronunciation as (mī·səit) /ˈmɪːsaɪt/.
Chemistry. Obsolete.
Either of two volatile oils of uncertain identity present in the mixture obtained by the distillation of wood.
a. A compound isolated by Reichenbach, sometimes identified as acetone.
ΚΠ
1838 T. Thomson Chem. Org. Bodies 366 Reichenbach considers mesite as identical with acetone.
1852 W. Gregory Handbk. Org. Chem. (ed. 3) 394 The liquid called mesite by Reichenbach would appear to be acetate of oxide of methyle, MtO + AcO3, mixed with a more highly carbonised body, apparently composed of C26H25O15.
1855 H. Watts tr. L. Gmelin Hand-bk. Chem. IX. 54 According to Berzelius, Reichenbach's mesite is acetate of methyl; in that case, there must be a lighter liquid mixed with it.
1892 New Sydenham Soc. Lexicon Mesita, term given by Reichenbach to acetic ether because it holds a middle place between alcohol and ether.
b. A compound isolated by Weidmann and Schweizer. Cf. mesitene n.
ΚΠ
1842 T. Graham Elements Chem. iii. iii. 836 Mesite.
1849 R. Kane Elements Chem. (ed. 2) 826 Mesit.
1852 W. Gregory Handbk. Org. Chem. (ed. 3) 394 Mesite is another volatile ethereal liquid found in pyroxylic spirit, which, according to Schweitzer [sic], is C6H6O2; isomeric with acetone.
1855 H. Watts tr. L. Gmelin Hand-bk. Chem. IX. 53 This mesite differs from Reichenbach's. It occurs, in small quantity only, in wood-vinegar.
1865 H. Watts Dict. Chem. III. 928 Mesite, an oxygenated oil..said to be obtained by distilling lignone with sulphuric acid. (Wiedemann [recte Weidemann] and Schweizer.)
This entry has been updated (OED Third Edition, September 2001; most recently modified version published online December 2020).
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