English Dictionary |
HF
Pronunciation (US): | (GB): |
Dictionary entry overview: What does HF mean?
• HF (noun)
The noun HF has 2 senses:
1. a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons
Familiarity information: HF used as a noun is rare.
Dictionary entry details
Sense 1
Meaning:
A grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons
Classified under:
Nouns denoting substances
Synonyms:
atomic number 72; hafnium; Hf
Hypernyms ("Hf" is a kind of...):
metal; metallic element (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)
Sense 2
Meaning:
3 to 30 megahertz
Classified under:
Nouns denoting attributes of people and objects
Synonyms:
HF; high frequency
Hypernyms ("HF" is a kind of...):
radio frequency (an electromagnetic wave frequency between audio and infrared)
Holonyms ("HF" is a part of...):
electromagnetic spectrum (the entire frequency range of electromagnetic waves)
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