radio wave
noun Electricity.
an electromagnetic wave having a wavelength between 1 millimeter and 30,000 meters, or a frequency between 10 kilohertz and 300,000 megahertz.
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Origin of radio wave
First recorded in 1915–20
Words nearby radio wave
radiotransparent, radiotropic, radio tube, radio valve, radiovision, radio wave, radio waves, radio window, radisectomy, radish, Radisson
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for radio wave
radio wave
noun
an electromagnetic wave of radio frequency
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Scientific definitions for radio wave
radio wave
A very low frequency electromagnetic wave (from roughly 30 kilohertz to 100 gigahertz). Radio waves are used for the transmission of radio and television signals; the microwaves used in radar and microwave ovens are also radio waves. Many celestial objects, such as pulsars, emit radio waves. See more at electromagnetic spectrum.
The American Heritage® Science Dictionary
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