| 单词 | di-cyanogen |
| 释义 | > as lemmasdi-cyanogen A compound radical consisting of one atom of nitrogen and one of carbon (symbol CN or Cy). In the form of di-cyanogen (C2N2), it is a colourless gas, highly poisonous, with a strong odour like that of prussic acid. It exists in a great number of compounds, the cyanides, cyanates, cyanurets, etc. ΘΚΠ the world > physical sensation > use of drugs and poison > poison > [noun] > poisonous gas carbonic oxide1802 poison gas1816 cyanogen1823 carbon monoxide1868 sneeze gas1918 sneezing gas1918 Lewisite1921 sternutator1922 blister gas1936 nausea gas1936 Zyklon1939 harassing agent1968 1823 W. Henry Elements Exper. Chem. (ed. 9) I. viii. 439 Cyanogen was discovered by Gay Lussac in 1815. 1855 A. Bain Senses & Intellect i. ii. 165 An evolution of the unwholesome and suffocating gas, cyanogen. < as lemmas |
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