hydrofluoric acid

2 definitions found

hydrofluoric acid - Collaborative International Dictionary of English v.0.48 :

  Hydrofluoric \Hy`dro*flu*or"ic\, a. [Hydro-, 2 + fluoric.]
     (Chem.)
     Pertaining to, or containing, hydrogen and fluorine;
     fluohydric; as, hydrofluoric acid.
     [1913 Webster]
  
     Hydrofluoric acid (Chem.), a colorless, mobile, volatile
        liquid, HF, very corrosive in its action, and having a
        strong, pungent, suffocating odor. It is produced by the
        action of sulphuric acid on fluorite, and is usually
        collected as a solution in water. It attacks all
        silicates, as glass or porcelain, is the agent employed in
        etching glass, and is preserved only in vessels of
        platinum, lead, caoutchouc, or gutta-percha.
        [1913 Webster]

hydrofluoric acid - WordNet (r) 2.1 (2005) :

  hydrofluoric acid
      n 1: a weak poisonous liquid acid; formed by solution of
           hydrogen fluoride in water