What is another word for very low frequency?
Pronunciation: [vˈɛɹɪ lˈə͡ʊ fɹˈiːkwənsi] (IPA) 
Very low frequency is a term commonly used to describe electromagnetic waves with a frequency range of 3 to 30 kilohertz. However, there are a few other synonyms that can be used to describe this range of frequencies. One such synonym is extremely low frequency, which is often used interchangeably with very low frequency. Another alternative is to use the abbreviation VLF, which is commonly used in technical and scientific writing. Finally, the term Sub-Audio or ULF (Ultra-Low Frequency) can be used to describe frequencies below VLF. Regardless of the specific term used, it is important to understand the characteristics and applications of these low-frequency waves.
