long wave

long wave
noun
a radio wave with a wavelength longer than a kilometer (a frequency below 300 kilohertz)
• Hypernyms: ↑radio wave, ↑radio emission, ↑radio radiation

* * *

—long-wave, adj.
1. Elect. an electromagnetic wave over 60 meters in length.
2. See L wave.
[1830-40]

* * *

long wave UK US noun [uncountable] physics
a radio wave of more than 1,000 metres used for broadcasting. The written abbreviation is LW .
Thesaurus: television and radio waveshyponym well-known television and radio programmes and charactershyponym
See also: medium wave ▪ short wave

* * *

long wave,
a radio wave having a length above 545 or 600 meters.
–long´-wave´, adjective.

* * *

n. a radio wave of a wavelength above one kilometer (and a frequency below 300 kHz)

[as adj.] long-wave radio

■ broadcasting using radio waves of 1 to 10 km wavelength

listening to news radio on long wave

* * *

ˈlong wave [long wave] noun uncountable, countable (abbr. LW)
a radio wave with a length of more than 1 000 metres

•

to broadcast

on long wave

Useful english dictionary. 2012.

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Look at other dictionaries:

  • long wave — n. an electromagnetic wave that is longer than those used in commercial broadcasting, usually a radio wave longer than 1,000 meters and below 300 kilohertz in frequency long wave adj …   English World dictionary

  • long´-wave´ — long wave, a radio wave having a length above 545 or 600 meters. –long´ wave´, adjective …   Useful english dictionary

  • long wave — long .wave written abbreviation LW n [U] radio broadcasting or receiving on waves of 1000 metres or more in length →↑medium wave, short wave ↑short wave, FM ↑FM …   Dictionary of contemporary English

  • long wave — long ,wave noun uncount a radio wave of more than 1,000 meters used for broadcasting. The written abbreviation is LW. ─ compare MEDIUM WAVE, SHORT WAVE …   Usage of the words and phrases in modern English

  • long wave — long wave, adj. 1. Elect. an electromagnetic wave over 60 meters in length. 2. See L wave. [1830 40] * * * …   Universalium

  • long wave — ► NOUN 1) a radio wave of a wavelength above one kilometre (and a frequency below 300 kilohertz). 2) broadcasting using radio waves of 1 to 10 kilometre wavelength …   English terms dictionary

  • long-wave — longˈ wave adjective (radio) Of, or using, wavelengths over 1000 metres • • • Main Entry: ↑long …   Useful english dictionary

  • long wave — N UNCOUNT Long wave is a range of radio waves which are used for broadcasting. ...broadcasting on long wave. ...1500m on long wave …   English dictionary

  • long wave — /ˈlɒŋ weɪv/ (say long wayv) noun an electromagnetic wave with a wavelength of over 1 kilometre, i.e. with frequencies less than 0.3 MHz. –long wave, adjective …  

  • long-wave — adj. Long wave is used with these nouns: ↑radio …   Collocations dictionary

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