| cyanide | an extremely poisonous salt of hydrocyanic acid |
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| cyanide | any of a class of organic compounds containing the cyano radical -CN |
| cyanide | the monovalent group -CN in a chemical compound |
| cyanide | poisoning due to ingesting or inhaling cyanide |
| cyanide | a process for extracting gold and silver by treating ore with a sodium cyanide solution |
| cyanide | the monovalent group -CN in a chemical compound |