cyanide

noun
cy*a*nide \ ˈsī-ə-ˌnīd \ -nəd \
1826{ds||1||}
  • a compound of cyanogen with a more electropositive element or group: such as
  • potassium cyanide
  • sodium cyanide

hydrogen cyanide

noun
hydrogen cyanide \
1869{ds||1||}
  • a poisonous usually gaseous compound HCN that has the odor of bitter almonds
  • hydrocyanic acid

potassium cyanide

noun
potassium cyanide \
1866
  • a very poisonous crystalline salt KCN used especially in gold and silver extraction from ore

sodium cyanide

noun
sodium cyanide \
1885
  • a white deliquescent poisonous salt NaCN used especially in electroplating, in fumigating, and in treating steel
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