HyperDic: hf

English > 2 senses of the word Hf / HF:
NOUNsubstanceHf, hafnium, atomic number 72a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals
attributeHF, high frequency3 to 30 megahertz
English > Hf: 2 senses > noun 1, substance
MeaningA grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons.
Synonymshafnium, atomic number 72
Broadermetallic element, metalAny of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
Spanishhafnio, número atómico 72
Catalanhafni, Hf, número atòmic 72
English > HF: 2 senses > noun 2, attribute
Meaning3 to 30 megahertz.
Synonymhigh frequency
Part ofelectromagnetic spectrumThe entire frequency range of electromagnetic waves
Broaderradio frequencyAn electromagnetic wave frequency between audio and infrared
Spanishalta frecuencia

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