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单词 dicyanide
释义

dicyaniden.

Brit. /dʌɪˈsʌɪənʌɪd/, U.S. /daɪˈsaɪəˌnaɪd/
Origin: Formed within English, by compounding. Etymons: di- comb. form, cyanide n.
Etymology: < di- comb. form + cyanide n.
Chemistry.
A compound containing two cyanide groups (—CN) or anions (CN) in its molecule or empirical formula.
ΚΠ
1842 Penny Cycl. XXII. 23/1 Cyanate of Silver..burns with deflagration, and there are produced di cyanide of silver, cyanic acid, carbonic acid, and azotic acid.
1883 Jrnl. Chem. Soc. 44 910 Pentamethylenediamine..is produced by the action of zinc and hydrochloric acid on an ethereal solution of trimethylene dicyanide.
1917 Jrnl. Amer. Chem. Soc. 39 107 The dicyanide of terephthalic acid..was treated with hydrogen peroxide solution.
1953 Bot. Rev. 19 107 The difference between the spectrum of vitamin B12 and the spectrum of its dicyanide complex formed in solutions with excess cyanide.
2004 Inorg. Chem. 43 23/2 The unsuitability of the dicyanide as a catalyst is attributed to its highly reducing character.
This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2022).
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n.1842
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