very low frequency

American  

noun

1. any frequency between 3 and 30 kilohertz. VLF

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very low frequency British  

noun

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

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Etymology

Origin of very low frequency

First recorded in 1940–45

Example Sentences

"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

"Our experiments showed for the first time how the whales make their very low frequency vocalizations," says Elemans.

From Science Daily

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

From BBC

Now, researchers say the bird may hitch a ride by listening for very low frequency sounds humans can’t hear—one of only a few species known to do so.

From Science Magazine

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

Related Words

• high frequency