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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Only 3% of slower-rotating neutron stars have been observed to emit radio waves from a region within their grasp besides their poles. Robert Lea, Space.com, 3 Apr. 2026 The technology uses light instead of radio waves, offering a way to ease pressure on crowded wireless networks. Neetika Walter, Interesting Engineering, 31 Mar. 2026 Patients would lie inside that long tube while magnets and radio waves combine to produce images intended to show damage after a heart attack or find valve disease. Elizabeth Cooney, STAT, 25 Mar. 2026 Radars work by sending out radio waves. Aaron Brynildson, The Conversation, 21 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

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Cite this Entry

“Radio wave.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radio%20wave. Accessed 7 Apr. 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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