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.
The polarization of these radio waves is caused by the orientation of the magnetic field that pervades LBN 483's inner sanctum. Keith Cooper, Space.com, 16 Mar. 2025 But de Ruiter didn’t think the star would be able to produce radio waves by itself. Ashley Strickland, CNN, 14 Mar. 2025 Participants also had blood taken and underwent magnetic resonance spectrometry (MRS), which, like MRI, uses a magnetic field and radio waves to analyze the chemical composition of the brain, providing information about metabolism, neurotransmitter levels, and cell function. New Atlas, 4 Mar. 2025 Radio telescopes, which use a giant dish to collect radio waves emitted from celestial objects, can also be used to bounce a radar off NEOs to determine their size, Fuls says. Scott Neuman, NPR, 12 Feb. 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 25 Mar. 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!