| 释义 |
hydrocyanic, a. Chem.|haɪdrəʊsaɪˈænɪk|
[f. hydro- d + cyanic. Cf. F. hydrocyanique.]
Containing hydrogen and cyanogen in chemical combination. hydrocyanic acid, or hydrogen cyanide (HCN or HCy), the combination of hydrogen with cyanogen (CN or Cy), an extremely poisonous volatile liquid with an odour like that of bitter almonds, the solution in water being known as prussic acid; it occurs in bitter almonds and other kernels, in cherry and laurel leaves, etc.
1818Henry Elem. Chem. (ed. 8) II. 342 As muriatic acid is decomposed by the black oxide of manganese, so is hydrocyanic vapour by peroxide of copper. 1819J. G. Children Chem. Anal. 317 Hydrocyanic or Prussic Acid. 1830Lindley Nat. Syst. Bot. 82 Amygdaleæ..are particularly characterised by their..hydrocyanic juice. 1896I. Remsen Organic Chem. vi. 80 Hydrocyanic acid can be detected by the fact that when its solution is saturated with caustic potash, and a solution containing a ferrous and a ferric salt is added, a precipitate of Prussian blue is formed. |