low frequency

noun

Radio.

1. any frequency between 30 and 300 kilohertz. LF

low frequency

noun

1. LF. a radio-frequency band or a frequency lying between 300 and 30 kilohertz

Other Word Forms

• low-frequency adjective

Word History and Origins

Origin of low frequency¹

First recorded in 1895–1900

Example Sentences

Islanders in the Outer Hebrides say their lives are being disrupted by a mysterious low frequency humming sound that can be heard day and night.

From BBC

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

From BBC

The challenge, Revel said, is that it relies on a standard that “doesn’t take into account all the frequencies and certainly doesn’t take into account the low frequencies that travel further.”

From Los Angeles Times

However, their effects are extremely weak and have been discovered only in relatively low frequency band using the method of interferometry.

From Science Daily

On a visit to a Texas ostrich farm, the researchers recorded 11 types of calls, ranging from high frequency peeps and gurgles in baby ostriches to low frequency boos and booms in adult males.

From Science Daily

Related Words

• high frequency