radio wave

noun

: an electromagnetic wave with radio frequency

Examples of radio wave in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Radars work by sending out radio waves. Aaron Brynildson, The Conversation, 21 Mar. 2026 Anything that is round or has cyclical or repeating properties — such as radio waves — involves pi. ABC News, 14 Mar. 2026 However, in 2022, scientists managed to capture an image of light, in the form of radio waves, from hot gases swirling around the edge of Sgr A*. Brett Tingley, Space.com, 11 Mar. 2026 Just the invisible radio waves. Kaitlyn Tiffany, The Atlantic, 10 Mar. 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 24 Mar. 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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