fluoride

1. A salt of hydrofluoric acid (synset 114895752)
   is a type of: halide - a salt of any halogen acid
   subtypes:

   • boron trifluoride - a pungent colorless gas
   • hydrogen fluoride - a colorless poisonous corrosive liquid made by the action of sulphuric acid on calcium fluoride; solutions in water are hydrofluoric acid
   • stannous fluoride - a white powder that is used to fluoridate toothpaste
   • sulfur hexafluoride, sulphur hexafluoride - a colorless gas that is soluble in alcohol and ether; a powerful greenhouse gas widely used in the electrical utility industry

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