radio wave

noun

: an electromagnetic wave with radio frequency

Examples of radio wave in a Sentence

Recent Examples on the Web That is in addition to other advanced tools such as synthetic-aperture radar, which can use radio waves to track military movements even at night and beneath cloud cover. Eric Lipton, New York Times, 15 Feb. 2024 Light waves, radio waves, X rays—none of these ways of reading the universe let scientists see as far down toward the horizon of a black hole. Rivka Galchen, The New Yorker, 30 Mar. 2024 Data is also sent to airlines using the Aircraft Communications, Addressing and Reporting System (ACARS), which transmits automated and manually entered messages between airlines and airplanes using radio waves and satellite links. Gregory Wallace, CNN, 17 Mar. 2024 The wavelength of this radio wave would be 3 meters. WIRED, 27 Oct. 2023 These radio waves precisely measured the position of Dimorphos relative to Didymos after impact. Laura Baisas, Popular Science, 20 Mar. 2024 The citizen scientists will reveal how a short, sudden darkness affects the way radio waves propagate in the ionosphere—and how this may alter its overall ionization. Catherine Duncan, Smithsonian Magazine, 18 Mar. 2024 Also on board: an innovative sensor that will use radio waves to accurately determine how much cryogenic propellant is left in a tank in the weightless environment of space, technology that is expected to prove useful for downstream moon missions and other deep space voyages. William Harwood, CBS News, 14 Feb. 2024 Usually, ham-radio operators can chat across distances of several thousand kilometers by bouncing radio waves off the ionosphere between receivers, but a total solar eclipse’s disruption of the ionosphere can change communication conditions. Jonathan O'Callaghan, Scientific American, 3 Jan. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'radio wave.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1915, in the meaning defined above

Time Traveler
The first known use of radio wave was in 1915

Dictionary Entries Near radio wave

Cite this Entry

“Radio wave.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radio%20wave. Accessed 25 Apr. 2024.

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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