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
This strategy uses a radioisotope to produce a hot surface, and electromagnetic radiation from the hot surface produces electricity within a photovoltaic cell.
—
IEEE Spectrum, 25 Aug. 2025
This lack of interaction with electromagnetic radiation also makes dark matter effectively invisible.
—Robert Lea, Space.com, 25 Aug. 2025
For example, an electromagnetic pulse (EMP) attack, which involves the use of electromagnetic radiation to damage electronic devices and power sources.
—Kevin Williams, CNBC, 24 July 2025
On November 23, 2023, twin observatories, collectively known as the Laser Interferometer Gravitational-Wave Observatory (LIGO), detected a gravitational wave — a form of radiation distinct from the electromagnetic radiation captured by other observatories.
—Ruairi MacKenzie, Discover Magazine, 16 July 2025
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.
IEEE Spectrum, 25 Aug. 2025
This lack of interaction with electromagnetic radiation also makes dark matter effectively invisible.
—Robert Lea, Space.com, 25 Aug. 2025
For example, an electromagnetic pulse (EMP) attack, which involves the use of electromagnetic radiation to damage electronic devices and power sources.
—Kevin Williams, CNBC, 24 July 2025
On November 23, 2023, twin observatories, collectively known as the Laser Interferometer Gravitational-Wave Observatory (LIGO), detected a gravitational wave — a form of radiation distinct from the electromagnetic radiation captured by other observatories.
—Ruairi MacKenzie, Discover Magazine, 16 July 2025
See All Example Sentences for electromagnetic radiation
Cite this Entry
“Electromagnetic radiation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electromagnetic%20radiation. Accessed 8 Sep. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share