extremely low frequency

1. 1.

   below 3 kilohertz

   SynonymsELF

   Broaderradio frequency

   Part ofelectromagnetic spectrum

Questions about extremely low frequency

What does extremely low frequency mean?

extremely low frequency means "below 3 kilohertz".

What is another word for extremely low frequency?

Close synonyms include ELF. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is extremely low frequency a common word?

extremely low frequency is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.