short wave
noun/ˈʃɔːt weɪv/
/ˈʃɔːrt weɪv/
(also shortwave)
[countable, uncountable] (abbreviation SW)
- a radio wave with a length of between 10 and 100 metres; the band of radio waves of this length used for broadcasting
- a short-wave radio/transmitter
- on short wave The BBC also broadcasts on short wave.
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short wave