\Sil`i*co*flu*or"ic\, a. (Chem.)
Containing, or composed of, silicon and fluorine; especially,
denoting the compounds called silicofluorides.
{Silicofluoric acid} (Chem.), a compound of hydrofluoric acid
   and silicon fluoride, known only in watery solution. It is
   produced by the action of silicon fluoride on water, and
   is regarded as an acid, {H2SiF6}, and the type and origin
   of the silicofluorides.