Hf
zelfstandig naamwoord
1 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.
synoniemen: atomic number 72, hafnium.
Nederlands: hafnium
Pools: hafn, Hf
2 HF
3 to 30 megahertz.
synoniem: high frequency.
Vind elders meer over hf: etymologie - rijmwoorden - Wikipedia.
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