long wave

noun

1. Electricity. an electromagnetic wave over 60 meters in length.
2. Geology. L wave.

long wave

noun

1. 1. a radio wave with a wavelength greater than 1000 metres
   2. ( as modifier )

      a long-wave broadcast

Other Words From

• long-wave adjective

Word History and Origins

Origin of long wave¹

First recorded in 1830–40

Example Sentences

High tides and low tides occur on opposite sides of our planet at the same time, and, in the words of navigator Tristan Gooley, “can be thought of as a pair of very long waves that ride around the Earth,” straddling half the globe between crests.

From Nautilus

A molecule of carbon dioxide traps heat, radiant heat, the long wave end of the spectrum.

From The Daily Beast

At last, having given that up, he tuned in on long wave lengths and at once began picking up something.

From Project Gutenberg

The monks had sought him everywhere, and at dawn had found him lying in the hollow of the long wave that washes Iona on the north.

From Project Gutenberg

Already the rush of a long wave would send the water lapping around their horses' feet.

From Project Gutenberg

It stopped there; and a long wave broke with a roar, and rushed up in gleaming foam almost to their feet.

From Project Gutenberg

But the singing continued; others joined in it, and soon it swelled to a long wave of song and flowed over that human sea.

From Project Gutenberg