Definition of hf Hf
We found 4 definitions of hf from 3 different sources.
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What does hf mean?
WordNet
Noun |
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| hf - 3 to 30 megahertz | ||
| high frequency, HF | ||
| radio frequency an electromagnetic wave frequency between audio and infrared | ||
| hf - a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons | ||
| hafnium, Hf, atomic number 72 | ||
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OmegaWiki DictionaryOmegaWiki Dictionary Ω
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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.
