ZebraWords.com - The Definition of 'Hf', Synonyms of 'Hf' & More on 'Hf'

1. WordNet® 3.0 (2006)

Hf
    n 1: a grey tetravalent metallic element that resembles
         zirconium chemically and is found in zirconium minerals;
         used in filaments for its ready emission of electrons [syn:
         hafnium, Hf, atomic number 72]
    2: 3 to 30 megahertz [syn: high frequency, HF]

2. The 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]

3. V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016)

HF
       Have Fun (slang, Usenet, IRC)

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