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单词 mandelic
释义

mandelicadj.

Brit. /manˈdɛlɪk/, U.S. /ˌmænˈdɛlɪk/
Origin: A borrowing from German, combined with an English element. Etymons: German Mandelsäure , -ic suffix.
Etymology: < German Mandel- in Mandelsäure mandelic acid (F. L. Winckler 1836, in Ann. d. Pharmacie 18 310; < Mandel almond (Old High German mandala 11th cent.; < post-classical Latin amandola almond n. and adj.) + Säure acid) + -ic suffix.
Chemistry and Pharmacology.
mandelic acid n. an antibacterial agent given orally in the treatment of urinary tract infections; 2-hydroxy-2-phenylacetic acid, C6H5CH(OH)COOH.
ΘΚΠ
the world > health and disease > healing > medicines or physic > medicines for specific purpose > substances acting on bacteria > [noun] > other antibacterial substances
mandelic acid1844
allicin1944
1844 G. Fownes Man. Elem. Chem. 430 Mandelic acid forms small, indistinct, white crystals.
1938 Encycl. Brit. Bk. of Year 406/1 Mandelic acid has been found of special value in the treatment of infection of the kidney and of the urinary tract.
1955 B. C. L. Kemp Elem. Org. Chem. (new ed.) xxiii. 297 The cyanhydrin of benzaldehyde is the nitrile of mandelic acid.
1969 J. H. Thompson in J. A. Bevan Essent. Pharmacol. xlix. 511 Methenamine mandelate is a mixture of methenamine and mandelic acid.., two old urinary antiseptic agents which today are rarely given separately.
1993 Brit. Jrnl. Surg. 80 223/1 Biochemical screening showed markedly raised urinary catecholamine levels with a vanillyl mandelic acid concentration of 240 μmol/l.
This entry has been updated (OED Third Edition, September 2000; most recently modified version published online March 2022).
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adj.1844
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