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.
Indeed, while observing AT2020afhd, the team saw rhythmic changes in both X-rays and radio waves coming from this TDE that implied the accretion disk and jet were wobbling in unison, with this motion repeating every 20 Earth-days. Robert Lea, Space.com, 12 Dec. 2025 That said, unlike other scans, such as X-rays or CT scans, MRIs do not use radio waves or magnetic fields, making them among the safest imaging techniques. Robert Birsel, MSNBC Newsweek, 10 Dec. 2025 Because the radio waves operate on the same frequency as Bluetooth connections, even a casual hiker with the app open might record a monarch’s movement, filling in data gaps for researchers. Olivia Maule, Mercury News, 6 Dec. 2025 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 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 17 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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!