shortwave

shortwave
short•wave
[[t]ˈʃɔrtˈweɪv[/t]] n. adj. v. -waved, -wav•ing
1) rtv a radio wave shorter than that used in AM broadcasting, corresponding to frequencies of over 1600 kilohertz: used for long-distance reception or transmission
2) rtv
shortwave radio
3) rtv of, pertaining to, or using shortwaves
4) rtv to transmit by shortwaves
Etymology: 1900–05

From formal English to slang. 2014.

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