very low frequency

noun

1. any frequency between 3 and 30 kilohertz. : VLF

very low frequency

noun

1. a radio-frequency band or radio frequency lying between 3 and 30 kilohertz VLF

Word History and Origins

Origin of very low frequency¹

First recorded in 1940–45

Example Sentences

The only explanation of this marvelous process given is that the inventor used very low frequency wireless waves in a new way.

From Project Gutenberg

Some of the vibrations are of high enough frequency to be audible, while others are of very low frequency.

From Project Gutenberg

For this reason very large arcs would not emit any rhythmical sound even with a very low frequency.

From Project Gutenberg

Related Words

• high frequency