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Synonyms

very low frequency

American  

noun

  1. any frequency between 3 and 30 kilohertz. VLF


very low frequency British  

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of very low frequency

First recorded in 1940–45

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

These signals appear as very low frequency transients i.e. impulse like transition or settling signals recorded in horizontal ground motion, including both acceleration and tilt.

From Science Daily • Mar. 15, 2026

"When the whales push air from their lungs past this cushion, it starts to vibrate and this generates very low frequency underwater sounds."

From Salon • Feb. 23, 2024

The mammals' signature, very low frequency song could be heard primarily during March and April.

From BBC • Nov. 22, 2023

Researchers tracking the paths of these long-distance fliers report today in the Proceedings of the National Academy of Sciences that the very low frequency noise made by clashing waves influences the birds’ headings.

From Science Magazine • Oct. 8, 2023

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

From The inventions, researches and writings of Nikola Tesla With special reference to his work in polyphase currents and high potential lighting by Martin, Thomas Commerford