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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The detection also triggered a powerful example of another new trend, multimessenger astronomy, in which telescopes and other instruments studied the flaring blazar in all parts of the electromagnetic spectrum, from gamma rays to radio waves.
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Quasars emit mostly radio waves, which have the longest wavelengths in the electromagnetic spectrum, much longer than those of visible light.
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While some hospitals have moved to secure, encrypted pager systems, others are still sending information over open radio waves that could include a patient's name, date of birth and medical diagnosis.
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Instead of using electromagnetic radiation to produce imagery, the researchers have found a way to use low-power radio waves to track the movement and figure of humans through a wall.
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These cataclysmic stellar explosions are particularly bright in visible light and in x-rays—except in Arp 299’s murky center most of that light would be absorbed by dust and reradiated in the infrared; the remnant would then leak out as radio waves.
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Bowman’s instrument, like the others involved in the search, attempts to pick out a particular dip in radio waves coming from the distant universe.
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The technology, which uses artificial intelligence to interpret radio wave data, grows out of earlier work by the same group.
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Now a new study, published in Nature, has tested the principle using a remarkably extreme astrophysical environment: a triple star system containing two white dwarfs and a pulsar (a rotating neutron star that beams radio waves).
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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