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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Clancy James, an astrophysicist at Curtin University in Australia's Perth campus, then led a team that studied the extremely bright source of radio waves to determine its source. Eric Lagatta, USA Today, 28 June 2025 Last year, Australian scientists picked up a mysterious burst of radio waves that briefly appeared brighter than all other signals in the sky. Sara Hashemi, Smithsonian Magazine, 27 June 2025 According to a new paper published on arXiv, a burst of transient radio waves that was detected in June 2024 was actually a signal from an inactive NASA satellite. Sam Walters, Discover Magazine, 26 June 2025 To find out the cause of this activity, Roth and his team used the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile to observe the comet in radio waves for about eight hours in March 2024. Jonathan O'Callaghan, Scientific American, 25 June 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 8 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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