Definition of radio wave
: an electromagnetic wave with radio frequency
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Recent Examples of radio wave from the Web
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In the coming days, dozens of observatories would study the event at every wavelength of light, from gamma rays to radio waves.
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That’s possible because the researchers created an algorithm that enabled the machine to learn to identify different levels of sleep based on the reflection of radio waves in the room where the person is sleeping.
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How do radio waves interact with plasmas in the upper atmosphere?
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Now, astronomers are mapping the arms with the help of star-forming regions that contain clouds of water vapor, glowing brightly with radio waves that can penetrate the gas and dust.
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Flight controllers at California’s Jet Propulsion Laboratory expect one last burst of scientific data from Cassini, before the radio waves go flat — and the spacecraft falls silent.
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The radio waves went flat, and the spacecraft fell silent.
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As radio waves reflect off a body, the slightest movement, such as a person’s pulse or breathing, can change the frequency.
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The trouble is, 60Ghz radio waves can’t penetrate most walls, says Ronald Glibbery, CEO of Peraso Technologies, which makes chips that power WiGig systems.
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.
First Known Use of radio wave
1915
RADIO WAVE Defined for English Language Learners
radio wave
Definition of radio wave for English Language Learners
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: an electromagnetic wave that is used for sending signals through the air without using wires
RADIO WAVE Defined for Kids
radio wave
Definition of radio wave for Students
: an electromagnetic wave used in radio, television, or radar communication
Medical Dictionary
Learn More about radio wave
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See words that rhyme with radio wave Britannica.com: Encyclopedia article about radio wave
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