radio wave
Americannoun
noun
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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.
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See more at electromagnetic spectrum
Etymology
Origin of radio wave
First recorded in 1915–20
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Prof Zhao and his colleagues have designed their robot so that it can sense these radio wave reflections.
From BBC • Feb. 13, 2025
The problem is that the standard codes used to simulate the plasma and radio wave interactions are very complicated and run too slowly to be used to make real-time decisions.
From Science Daily • May 14, 2024
And a turn toward an alternative radio wave technology proved to be an unnecessary detour in the race to 5G, allowing T-Mobile to amass a two-year advantage.
From Seattle Times • Oct. 16, 2023
They detected a faint polarised radio wave coming from the galactic cores.
From Space Scoop • Aug. 3, 2023
Human thought is an etheric wave of the same essential nature as the radio wave.
From Astounding Stories of Super-Science, November, 1930 by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
