Letters that make HF
f, h are letters that make 'HF'
Words within HF
are words within 'HF'
VHF, UHF, SHF, EHF, HFC are words created by adding a letter to 'HF'
1 possible definitions for 'HF'
Under this definition, hf is a noun and has the following properties:
high frequency has the same meaning as HF
'HF' can be a type of radio frequency.
'HF' can be a part of electromagnetic spectrum.