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radio wave
(redirected from Radio waves)

    Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.07 sec.

radio wave

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Radio waves lie at the low-frequency end of the electromagnetic spectrum. They are primarily used …
(credit: © Merriam-Webster Inc.)
Wave from the portion of the electromagnetic spectrum at lower frequencies than microwaves. The wavelengths of radio waves range from thousands of metres to around 30 cm. These correspond to frequencies as low as 3 Hz and as high as 1 gigahertz (109 Hz). Radio-wave communications signals travel through the air in a straight line, reflect off of clouds or layers of the ionosphere, or are relayed by satellites in space. They are used in standard broadcast radio and television, short-wave radio, navigation and air-traffic control, cellular telephony, and even remote-controlled toys.

radio wave

See RF.

radio wave [′rād·ē·ō ‚wāv]
(electromagnetism)
An electromagnetic wave produced by reversal of current in a conductor at a frequency in the range from about 10 kilohertz to about 300,000 megahertz.


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The highlights of Tuesday's news conference, in which the Raiders general managing partner (or whatever he's calling himself these days) introduced the 31-year-old former USC offensive coordinator as his new head coach, are already all over the radio waves.
L.A. CONFIDENTIAL by Daily News (Los Angeles, CA)
As part of the collaboration, large-scale experiments have been conducted on the cellular and genetic level using radio waves up to 10 times stronger than the limit set forth in radio frequency radiation protection guidelines for base stations.
Japanese Mobile Phone Operators Find No Adverse Health Effects from ... by JCN Newswires
The wavelengths of microwaves are shorter than those of radio waves but longer than those of visible light.
Invisibility ring by Gramling, Carolyn / Science News for Kids
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