quininicadj.

Brit.

/kwᵻˈnɪnɪk/, U.S.

/ˌkwaɪˈnɪnɪk/

Origin: Formed within English, by derivation; modelled on a German lexical item. Etymons: quinine n., -ic suffix.

Etymology: < quinine n. + -ic suffix, after German Chininsäure quininic acid (Z. H. Skraup 1879, in Ber. der Deutsch. Chem. Ges. 12 1106).

Chemistry and Medicine.

Of, relating to, or involving quinine; quininic acid n. a pale yellow crystalline acid derived from quinine.Quininic acid is 6-methoxy-4-quinolinecarboxylic acid; C₁₁H₉NO₃.

ΚΠ

1879 Jrnl. Chem. Soc. 36 810 Quininic acid..is obtained by oxidising quinine with chromic acid.

1909 Lancet 5 June 1641/1 Other papers were those on..‘Quininic prophylaxis in theory and in practice’.

1913 T. A. Henry Plant Alkaloids iv. 156 The base..is oxidised by chromic anhydride to quininic acid.

2005 R. Gupta in V. L. Chopra & K. V. Peter Handbk. Industr. Crops iv. 146 The alkaloids exist chiefly as salts of quininic and cinchotanic acids, and their relative concentrations vary in different species [of Cinchona].

This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

单词	quininic
释义	quininicadj. Brit. /kwᵻˈnɪnɪk/, U.S. /ˌkwaɪˈnɪnɪk/ Origin: Formed within English, by derivation; modelled on a German lexical item. Etymons: quinine n., -ic suffix. Etymology: < quinine n. + -ic suffix, after German Chininsäure quininic acid (Z. H. Skraup 1879, in Ber. der Deutsch. Chem. Ges. 12 1106). Chemistry and Medicine. Of, relating to, or involving quinine; quininic acid n. a pale yellow crystalline acid derived from quinine.Quininic acid is 6-methoxy-4-quinolinecarboxylic acid; C₁₁H₉NO₃. ΚΠ 1879 Jrnl. Chem. Soc. 36 810 Quininic acid..is obtained by oxidising quinine with chromic acid. 1909 Lancet 5 June 1641/1 Other papers were those on..‘Quininic prophylaxis in theory and in practice’. 1913 T. A. Henry Plant Alkaloids iv. 156 The base..is oxidised by chromic anhydride to quininic acid. 2005 R. Gupta in V. L. Chopra & K. V. Peter Handbk. Industr. Crops iv. 146 The alkaloids exist chiefly as salts of quininic and cinchotanic acids, and their relative concentrations vary in different species [of Cinchona]. This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022). < adj.1879
随便看	θ69384 θ69385 θ69386 θ69387 θ69388 θ69389 θ6939 θ69390 θ69391 θ69392 θ69393 θ69394 θ69395 θ69396 θ69397 θ69398 θ69399 θ694 θ6940 θ69400 θ69401 θ69402 θ69403 θ69404 θ69405