Synonyms

shortwave

American

[shawrt-wayv] / ˈʃɔrtˈweɪv /

noun

Electricity. a radio wave shorter than that used in AM broadcasting, corresponding to frequencies of over 1600 kilohertz: used for long-distance reception or transmission.
shortwave radio.
Physics. a wave of electromagnetic radiation equal in length to, or shorter than, the wavelength of visible light.

adjective

of, relating to, or using shortwaves.

verb (used with or without object)

shortwaved, shortwaving

to transmit by shortwaves.

shortwave Scientific

/ shôrt′wāv′ /

A radio wave with a frequency between 5.9 megahertz and 26.1 megahertz. Shortwaves broadcast from the Earth's surface are reflected by the upper atmosphere and can travel great distances around the planet. The shortwave band of the electromagnetic spectrum is used for amateur radio communications.

Etymology

Origin of shortwave

First recorded in 1900–05; short + wave

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

shortwave shortwaving

The BBC said it was "continuing to report fairly and independently in Pashto, Dari and English to our audiences in Afghanistan, on shortwave and medium wave radio, online and via satellite".

From BBC ● Oct. 13, 2026

Only shortwave radios worked, and the mayor of Los Angeles, Frank Shaw, spoke to the nation thanks to a relay via a wireless station way up in Point Reyes.

From Los Angeles Times ● Sep. 17, 2026

Their approach uses shortwave infrared observations from Landsat and Sentinel-2 satellites.

From Science Daily ● Sep. 6, 2026

In 1941 Der Chef began delivering a salacious mix of gossip and foulmouthed fake news to German listeners over shortwave radio.

From The Wall Street Journal ● Aug. 12, 2026

Even the poorest pit houses usually possess a state-sponsored Volksempfanger VE301, a mass-produced radio stamped with an eagle and a swastika, incapable of shortwave, marked only for German frequencies.

From "All the Light We Cannot See" by Anthony Doerr

Last week the Commission issued regulations which put a new complexion on U. S. shortwaving.

From Time Magazine Archive

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023