HF

[HF]

A gray tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons

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Noun
3 to 30 megahertz

Noun
a gray tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons


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Usage Examples
Misspelled Form

HF, HF, F, HF, HF, H, HF.