electron volt
noun
: a unit of energy equal to the energy gained by an electron in passing from a point of low potential to a point one volt higher in potential : 1.60 × 10−19 joule
Examples of electron volt in a Sentence
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Specifically, such calculations usually involve the electron volt (eV), a unit of energy for which 1 eV represents the charge of one electron.
—
Gayoung Lee, Scientific American, 3 Sep. 2025
Two neutrinos, each carrying about 100 trillion electron volts of energy, were both consistent with having come from the same source, NGC 7469, a galaxy with an active core about 220 million light-years away.
—Rupendra Brahambhatt, Interesting Engineering, 24 Aug. 2025
The upshot is an X-ray source with an energy of more than 20,000 electron volts.
—David Szondy, New Atlas, 15 Jan. 2025
Silicon has a band gap of 1.1 electron volts, while silicon carbide’s ranges from 3.3 to 3.4 eV.
—IEEE Spectrum, 15 Oct. 2024
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Gayoung Lee, Scientific American, 3 Sep. 2025
Two neutrinos, each carrying about 100 trillion electron volts of energy, were both consistent with having come from the same source, NGC 7469, a galaxy with an active core about 220 million light-years away.
—Rupendra Brahambhatt, Interesting Engineering, 24 Aug. 2025
The upshot is an X-ray source with an energy of more than 20,000 electron volts.
—David Szondy, New Atlas, 15 Jan. 2025
Silicon has a band gap of 1.1 electron volts, while silicon carbide’s ranges from 3.3 to 3.4 eV.
—IEEE Spectrum, 15 Oct. 2024
Cite this Entry
“Electron volt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electron%20volt. Accessed 17 Sep. 2025.
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