long wave

American  

noun

1. Electricity. an electromagnetic wave over 60 meters in length.

2. Geology. L wave.

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long wave British  

noun

1. 1. a radio wave with a wavelength greater than 1000 metres

   2. ( as modifier )

      a long-wave broadcast

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Other Word Forms

• long-wave adjective

Etymology

Origin of long wave

First recorded in 1830–40

Example Sentences

The U.S. is still in the early innings of a long wave upturn in productivity growth—driven in large part by demographic necessity, writes Richard de Chazal, William Blair’s macro analyst.

From Barron's

The U.S. is still in the early innings of a long wave upturn in productivity growth—driven in large part by demographic necessity, writes Richard de Chazal, William Blair’s macro analyst.

From Barron's

The long-term future of the BBC's long wave output is far from certain.

From BBC

Indigenous women and police clashed in Lima, Peru on Saturday in the latest in a long wave of protests calling for the resignation of President Dina Boluarte.

From BBC

But it takes a detector light-years across to pick up these long waves.

From Science Magazine