单词 | paracyanide |
释义 | † paracyaniden. Chemistry. Obsolete. A supposed compound of a base (spec. silver) with carbon and nitrogen, obtained by heating a cyanide. ΚΠ 1857 H. Watts tr. L. Gmelin Hand-bk. Chem. XI. 374 Paracyanide of silver [Ger. Paracyansilber]..yields, when heated to bright redness, a mixture of nitrogen and cyanogen gases. 1870 C. R. Fresenius Syst. Instr. Quantitative Chem. Anal. 125 Metallic silver, which remains, mixed with a little paracyanide of silver. This entry has been updated (OED Third Edition, June 2005; most recently modified version published online June 2018). < n.1857 |
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