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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The strange radio waves emerged during a search for another unusual phenomenon: high-energy cosmic particles known as neutrinos. Ashley Strickland, CNN Money, 20 June 2025 Rather, the whole cluster is alight, with a faint radio wave glow that's about 189 times as wide as the Milky Way. Robert Lea, Space.com, 17 June 2025 Wissel went on to explain that the radio waves should have been undetectable. Nick Butler, FOXNews.com, 14 June 2025 During one observation with NASA’s orbiting Chandra X-Ray Observatory in February 2024, the object was prodigiously producing both X-rays and radio waves. Jeffrey Kluger, Time, 30 May 2025 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

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Cite this Entry

“Radio wave.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radio%20wave. Accessed 20 Jul. 2025.

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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