radio wave

American  

noun

Electricity.

1. an electromagnetic wave having a wavelength between 1 millimeter and 30,000 meters, or a frequency between 10 kilohertz and 300,000 megahertz.

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radio wave British  

noun

1. an electromagnetic wave of radio frequency

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radio wave Scientific  

1. A very low frequency electromagnetic wave (from roughly 30 kilohertz to 100 gigahertz). Radio waves are used for the transmission of radio and television signals; the microwaves used in radar and microwave ovens are also radio waves. Many celestial objects, such as pulsars, emit radio waves.

2. See more at electromagnetic spectrum

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Etymology

Origin of radio wave

First recorded in 1915–20

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Example Sentences

See Examples For:

radio wave

Timely communication was a concern at times, the report said, with the department lacking a necessary number of radio wave frequencies.

From Los Angeles Times ● Aug. 12, 2026

Prof Zhao and his colleagues have designed their robot so that it can sense these radio wave reflections.

From BBC ● Feb. 13, 2025

To test the idea, the researchers set up a container with movable barrels on the campus of Ruhr University Bochum, Germany, which they monitored using radio wave technology.

From Science Daily ● Oct. 30, 2023

And a turn toward an alternative radio wave technology proved to be an unnecessary detour in the race to 5G, allowing T-Mobile to amass a two-year advantage.

From Seattle Times ● Oct. 16, 2023

There was a simple mechanism in the cartridge that allowed us to release the spores by a radio wave from our ship.

From Hawk Carse by Anthony Gilmore

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Related Words

• microwave

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