radio wave

noun

: an electromagnetic wave with radio frequency

Examples of radio wave in a Sentence

Recent Examples on the Web
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In the New Mexico desert, a pair of stations bristling with antennas captured radio waves coming out of a dozen separate lightning strikes. Quanta Magazine, 6 May 2026 In particular, MeerKAT was able to detect galaxies in the Zone of Avoidance because radio waves from their hydrogen gas can pass through our Milky Way's dust lanes relatively unhindered. Keith Cooper, Space.com, 4 May 2026 Multiwavelength data, from X-rays through radio waves, tracks the transport of energy and matter. Big Think, 4 May 2026 The electrons that generate these bursts travel mainly along magnetic field lines at speeds approaching that of light, producing radio waves through a plasma emission process. Bojan Stojkovski, Interesting Engineering, 3 May 2026 See All Example Sentences for radio wave

Word History

First Known Use

1915, in the meaning defined above

Time Traveler
The first known use of radio wave was in 1915

Browse Nearby Words

Cite this Entry

“Radio wave.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radio%20wave. Accessed 14 May. 2026.

Kids Definition

radio wave

noun
: an electromagnetic wave with radio frequency

Medical Definition

radio wave

noun
ra·​dio wave ˈrād-ē-ō-ˌwāv How to pronounce radio wave (audio)
: an electromagnetic wave with radio frequency

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