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Defenition of the word HF

    • Defenition of the word HF

      • The inability of the heart to pump blood at an adequate rate to fill tissue metabolic requirements or the ability to do so only at an elevated filling pressure.
      • a gray tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons
      • 3 to 30 megahertz
      • a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons

    Synonyms for the word HF

      • atomic number 72
      • hafnium
      • Hf
      • high frequency

    Meronymys for the word HF

      • electromagnetic spectrum

    Hypernyms for the word HF

      • metal
      • metallic element
      • radio frequency

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