Advertisement
Advertisement
extremely low frequency
noun
, Radio.
- any frequency between 30 and 300 hertz. : ELF, elf
extremely low frequency
noun
- a radio frequency or radio-frequency band below 3 kilohertz ELF
Discover More
Word History and Origins
Origin of extremely low frequency1
First recorded in 1965–70
Advertisement
Word of the Day
[pet-ri-kawr]
Meaning and examplesStart each day with the Word of the Day in your inbox!
By clicking "Sign Up", you are accepting Dictionary.com Terms & Conditions and Privacy Policies.
Advertisement
Advertisement
Advertisement
Browse