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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Under normal conditions, high-frequency radio waves can travel long distances by bouncing off the upper layers in the ionosphere. Daisy Dobrijevic, Space.com, 24 Apr. 2026 Combined, iHeart and SiriusXM would have a more dominant scale across the radio waves, as well as in the podcast market and developing platforms with artists. Caitlin Huston, HollywoodReporter, 24 Apr. 2026 Under the hood, Wiliot’s platform relies on IoT Pixels, which are tiny, battery-free Bluetooth sensors that cull energy from radio waves. Arthur Zaczkiewicz, Footwear News, 21 Apr. 2026 The company is using its Space Data Network (SDN) and ground station infrastructure to track the radio waves transmitted by the Orion spacecraft during its 10-day journey. Robert Pearlman, ArsTechnica, 6 Apr. 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

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Cite this Entry

“Radio wave.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radio%20wave. Accessed 1 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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