English Dictionary

HF

Pronunciation (US): Play  (GB): Play

 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 electronsplay

2. 3 to 30 megahertzplay

  Familiarity information: HF used as a noun is rare.


 Dictionary entry details 


HF (noun)


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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