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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As radio waves travel across the universe, interstellar gas muddies them, generating a characteristic delay in the signal that depends on frequency. Phil Plait, Scientific American, 26 June 2026 Radio telescopes detect naturally occurring radio waves emitted by stars, planets, galaxies and other celestial objects. Denise Chow, NBC news, 21 June 2026 Instead of generating a new signal or amplifying the old one, the panel reshapes the path of radio waves already present in the environment. New Atlas, 19 June 2026 The team followed this up with an investigation using the Atacama Large Millimeter/submillimeter Array (ALMA), a collection of 66 radio wave antennas in northern Chile. Robert Lea, Space.com, 18 June 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 29 Jun. 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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