-
- To save this word, you'll need to log in.
electromagnetic radiation
noun
: energy in the form of electromagnetic waves
also
: a series of electromagnetic waves
Examples of electromagnetic radiation in a Sentence
Recent Examples on the Web
Stars, including our sun, regularly emit solar flares, or strong bursts of electromagnetic radiation.
—Gayoung Lee, Smithsonian Magazine, 16 Dec. 2024
Solar flares are intense bursts of electromagnetic radiation from sunspots on the sun.
—Jamie Carter, Forbes, 12 Dec. 2024
Solar eclipses don't do damage during pregnancy While the sun's corona does emit electromagnetic radiation seen as light, the radiation does not harm pregnant women, according to NASA.
—James Powel, USA TODAY, 2 Mar. 2024
The most obvious candidate, the team says, is a pulsar – a type of neutron star that produces beams of electromagnetic radiation from its poles.
—Michael Irving, New Atlas, 29 Nov. 2024
See all Example Sentences for electromagnetic radiation
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Word History
First Known Use
1891, in the meaning defined above
Time Traveler
The first known use of electromagnetic radiation was
in 1891
Dictionary Entries Near electromagnetic radiation
Cite this Entry
“Electromagnetic radiation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electromagnetic%20radiation. Accessed 3 Jan. 2025.
Kids Definition
electromagnetic radiation
noun
: energy in the form of electromagnetic waves
also
: a series of electromagnetic waves
Medical Definition
electromagnetic radiation
noun
: a series of electromagnetic waves
More from Merriam-Webster on electromagnetic radiation
Britannica.com: Encyclopedia article about electromagnetic radiation
Love words? Need even more definitions?
Merriam-Webster unabridged
Share