cyanide - Dictionary definition and pronunciation - Yahoo! Education
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cy·a·nide  audio  (s-nd) KEY 

NOUN:
also cy·a·nid  (-nd) KEY 
Any of various salts or esters of hydrogen cyanide containing a CN group, especially the extremely poisonous compounds potassium cyanide and sodium cyanide.
TRANSITIVE VERB:
cy·a·nid·ed, cy·a·nid·ing, cy·a·nides
  1. To treat (a metal surface) with cyanide to produce a hard surface.
  2. To treat (an ore) with cyanide to extract gold or silver.



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