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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.
Once released into space by a star, coronal mass ejections create a burst of radio waves while passing through the outer stellar atmosphere, called the corona. Ashley Strickland, CNN Money, 16 Nov. 2025 Radio galaxies are useful in this way because radio waves have long enough wavelengths to slip through cosmic gas and dust rather than being absorbed, as happens with other forms of electromagnetic radiation. Robert Lea, Space.com, 14 Nov. 2025 These are distant galaxies that emit particularly strong radio waves. Chris Young, Interesting Engineering, 14 Nov. 2025 Shklovsky later grew fascinated with the possibility of using radio waves to contact other intelligent beings in the universe. Gabriela Radulescu, The Conversation, 4 Nov. 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

Browse Nearby Words

Cite this Entry

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

More from Merriam-Webster on radio wave

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