radio wave


Definition of radio wave

: an electromagnetic wave with radio frequency

Examples of radio wave in a Sentence

Recent Examples on the Web Blind to the visible light of the stars themselves, ALMA images the system’s gas and dust and clocks their speeds using light falling between infrared and radio waves. Charlie Wood, Popular Science, "Astronomers caught a star-on-star smack down," 10 Feb. 2020 Laser beams and radio waves can also be generated to disable enemy drones. Justin Rohrlich, Quartz, "Everything we know about the drones watching over Times Square on New Year’s Eve," 31 Dec. 2019 In the vacuum of space, radio waves and other forms of electromagnetic energy flash straight across the voids. Popular Mechanics Editors, Popular Mechanics, "How the Moon Landing Was Filmed," 20 July 2019 Its lidar instrument works like radar but with light instead of radio waves: Twin lasers emit 500,000 pulses of light per second and record the echoes, revealing the location and three-dimensional shape of every object beneath the plane. Paul Tullis, New York Times, "To Map a Coral Reef, Peel Back the Seawater," 10 June 2019 New research shows that healthy gray whales are nearly five times more likely to strand when there is a high prevalence of sunspots, and therefore high levels of radio waves emitted from solar storms. Fox News, "Solar storms might be causing gray whales to get lost," 13 Jan. 2020 Most concerns about health impacts from 5G stem from millimeter-wave technology, high-frequency radio waves that are supposed to deliver much faster speeds. Klint Finley, Wired, "Worried About 5G’s Health Effects? Don’t Be," 18 Dec. 2019 Fast radio bursts, or FRBs, are millisecond-long bursts of radio waves in space. Ashley Strickland, CNN, "Mysterious repeating fast radio burst traced to nearby galaxy," 6 Jan. 2020 Now, researchers are ready to try artificial remediation, by beaming radio waves into the belts. Richard Stone, Science | AAAS, "U.S. tests ways to sweep space clean of radiation after nuclear attack," 26 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'radio wave.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of radio wave

1915, in the meaning defined above

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Time Traveler for radio wave

Time Traveler

The first known use of radio wave was in 1915

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Statistics for radio wave

Last Updated

10 Mar 2020

Cite this Entry

“Radio wave.” Dictionary, Merriam-Webster, Accessed 7 Apr. 2020.

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More Definitions for radio wave

radio wave


English Language Learners Definition of radio wave

: an electromagnetic wave that is used for sending signals through the air without using wires

radio wave


Kids Definition of radio wave

: an electromagnetic wave used in radio, television, or radar communication

radio wave

ra·​dio wave | \ ˈrād-ē-ō-ˌwāv How to pronounce radio wave (audio) \

Medical Definition of radio wave

: an electromagnetic wave with radio frequency

More from Merriam-Webster on radio wave

Rhyming Dictionary: Words that rhyme with radio wave Encyclopedia article about radio wave

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