fluoride

from WordNet (r) 3.0 (2006)

fluoride
    n 1: a salt of hydrofluoric acid

from The Collaborative International Dictionary of English v.0.48

Fluoride \Flu"or*ide\ (? or ?; 104), n. [Cf. F. fluoride.]
   (Chem.)
   A binary compound of fluorine with another element or
   radical.
   [1913 Webster]

   {Calcium fluoride} (Min.), fluorite, {CaF2}. See {Fluorite}.
      [1913 Webster]