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
Recent Examples on the Web
Neutron stars also have some of the strongest magnetic fields known in the universe — up to 10 trillion times the power of a refrigerator magnet, and enough turn gamma rays into electrons and positrons in a way manmade particle accelerators cannot hope to do, NASA explained.
—
Adam Harrington, CBS News, 9 Feb. 2026
Proving that this is true is difficult because PBH neutrinos would look just like any other neutrinos produced from another source, unless they could be associated with a flash of gamma rays in the sky from an exploding PBH.
—Quanta Magazine, 23 Jan. 2026
Remarkably, when this envelope finally dispersed, the ejection produced its own blast of gamma rays that NASA’s Fermi was able to observe.
—Frank Landymore, Futurism, 21 Jan. 2026
Observations over the past 15 years by the Fermi telescope have detected gamma rays in the gigaelectronvolt range from more than 20 novae.
—Ritsuko Kawai, Wired News, 19 Jan. 2026
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Adam Harrington, CBS News, 9 Feb. 2026
Proving that this is true is difficult because PBH neutrinos would look just like any other neutrinos produced from another source, unless they could be associated with a flash of gamma rays in the sky from an exploding PBH.
—Quanta Magazine, 23 Jan. 2026
Remarkably, when this envelope finally dispersed, the ejection produced its own blast of gamma rays that NASA’s Fermi was able to observe.
—Frank Landymore, Futurism, 21 Jan. 2026
Observations over the past 15 years by the Fermi telescope have detected gamma rays in the gigaelectronvolt range from more than 20 novae.
—Ritsuko Kawai, Wired News, 19 Jan. 2026
See All Example Sentences for gamma ray
Cite this Entry
“Gamma ray.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gamma%20ray. Accessed 14 Feb. 2026.
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