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Synonyms

low frequency

American  

noun

Radio.
  1. any frequency between 30 and 300 kilohertz. LF


low frequency British  

noun

  1.  LF.  a radio-frequency band or a frequency lying between 300 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

Other Word Forms

Etymology

Origin of low frequency

First recorded in 1895–1900

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Example Sentences

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The National Highway Traffic Safety Administration closed its investigation into Tesla’s “Actually Smart Summon” feature due to the low frequency and severity of reported crashes.

From The Wall Street Journal Apr. 6, 2026

These low frequency sounds are commonly produced by ships and industrial equipment, and they can overlap with the natural sounds turtles may use to orient themselves and navigate through the ocean.

From Science Daily Feb. 5, 2026

The local council, Comhairle nan Eilean Siar, said it had received reports relating to low frequency sounds from a small number of islanders.

From BBC Apr. 28, 2025

Volcanic earthquakes have a characteristic signature of low frequency wave forms and these have not been exhibited here.

From BBC Feb. 6, 2025

I could practically hear my sister’s low frequency scream of humiliation as she tensed every muscle.

From "Everything Sad Is Untrue" by Daniel Nayeri

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