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单词 dibasic
释义

dibasicadj.

Brit. /dʌɪˈbeɪsɪk/, U.S. /daɪˈbeɪsɪk/
Etymology: < di- comb. form + base n.1 + -ic suffix.
Chemistry.
Having two bases, or two atoms of a base. dibasic acid n. one which contains two atoms of displaceable hydrogen. See bibasic adj.
ΚΠ
1866 H. E. Roscoe Lessons Elem. Chem. xxxiv. 301 The acids of the first series above carbonic are monobasic,..while those of the second series are dibasic.
1868 Chambers's Encycl. X. 462/2 When an acid admits of the displacement of two atoms of hydrogen, it is termed dibasic.
1880 E. Cleminshaw tr. C. A. Wurtz Atomic Theory 204 Oxygen and sulphur, the ‘dibasic’ character of which was demonstrated by Kekulé.

Derivatives

dibaˈsicity n. dibasic quality.
ΚΠ
1880 E. Cleminshaw tr. C. A. Wurtz Atomic Theory 179 The dibasicity of tartaric acid.
This entry has not yet been fully updated (first published 1895; most recently modified version published online March 2022).
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更新时间:2024/12/24 1:12:55