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.
When a radio wave encounters an electron in interstellar space, lower radio frequencies interact more strongly than higher frequencies, causing the lower frequencies to be delayed and arrive at their destination later than higher frequencies. Keith Cooper, Space.com, 8 Mar. 2026 Beneath the sea, visibility is low and the radio waves used for radar don’t travel far. James Dwyer, Fortune, 6 Mar. 2026 Unlike radio waves, which spread out like a wide net, a laser needs to hit a target moving at thousands of kilometers per hour while fighting through the wobbles of the atmosphere. Mrigakshi Dixit, Interesting Engineering, 4 Mar. 2026 Bluetooth works by sending radio wave signals between devices. Shreyas Sen, The Conversation, 23 Feb. 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 10 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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