gamma ray
noun
: a photon emitted spontaneously by a radioactive substance
also : a photon of higher energy than that of an X-ray
Examples of gamma ray in a Sentence
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Using this method, the team found that the nebula around PSR J1849-0001 emits gamma rays following a power-law spectrum extending up to 2 PeV—an extreme range rarely seen. —
Rupendra Brahambhatt, Interesting Engineering, 26 Apr. 2026 Blasts of gamma rays can trap positive charges in the oxide, degrading the device’s performance and causing errors. —Katherine Bourzac, IEEE Spectrum, 2 Apr. 2026 They will also be outfitted with active dosimeters, devices that measure exposure to radiation, such as X-rays or gamma rays. —Leonard David, Space.com, 31 Mar. 2026 In theory, yes, because the radiation emitted in the last few milliseconds would be in the form of extremely high-energy gamma rays. —Phil Plait, Scientific American, 27 Mar. 2026 See All Example Sentences for gamma ray
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.
Rupendra Brahambhatt, Interesting Engineering, 26 Apr. 2026 Blasts of gamma rays can trap positive charges in the oxide, degrading the device’s performance and causing errors. —Katherine Bourzac, IEEE Spectrum, 2 Apr. 2026 They will also be outfitted with active dosimeters, devices that measure exposure to radiation, such as X-rays or gamma rays. —Leonard David, Space.com, 31 Mar. 2026 In theory, yes, because the radiation emitted in the last few milliseconds would be in the form of extremely high-energy gamma rays. —Phil Plait, Scientific American, 27 Mar. 2026 See All Example Sentences for gamma ray
Cite this Entry
“Gamma ray.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.grautoblog.com/dictionary/gamma%20ray. Accessed 27 Apr. 2026.
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