gamma radiation

noun

Definition of gamma radiation

: radiation composed of gamma rays

Examples of gamma radiation in a Sentence

Recent Examples on the Web

Without the magnetic protection, particles from space called cosmic rays relentlessly bombard the moon’s surface and produce gamma radiation, some of which escapes. Kelso Harper, Scientific American, "Flashing Neurons, Invisible Moonlight and Adorable Squid Babies: The Week’s Best Science GIFs," 23 Aug. 2019 Hulk later theorizes that the stones expel gamma radiation, the same radiation that gave Bruce Banner his Hulk powers. Eliana Dockterman, Time, "What's Next for the X-Men After Dark Phoenix?," 7 June 2019 According to the studies, the gamma radiation levels found on Bikini and Naen Islands were as high as 648 millirems and 460 millirems, respectively. Fox News, "Worse than Chernobyl: Parts of Marshall Islands have radiation 'higher' than catastrophic '86 disaster, studies say," 29 July 2019 But on its way out, the cosmic ray collides with gas in the solar atmosphere and fizzles in a flurry of gamma radiation. Quanta Magazine, "The Sun Is Stranger Than Astrophysicists Imagined," 1 May 2019 In 1973, the U.S. military declassified the existence of gamma-ray bursts (GRBs), first detected in the 1960s by military satellites designed to find gamma radiation from nuclear weapons tests. Yvette Cendes, Discover Magazine, "What Are FRBs? The Discovery of Mysterious Signals From the Cosmos," 7 Feb. 2019 The gamma radiation theory This one comes from Reddit, where one user posited that a seemingly throwaway line in Avengers: Endgame might set up the rise of the mutants. Eliana Dockterman, Time, "What's Next for the X-Men After Dark Phoenix?," 7 June 2019 Reiners is talking about stuff like gamma radiation that could be potentially fatal for microbes. William Herkewitz, Popular Mechanics, "Earth-Like Planet Found Orbiting the Nearest Star to the Sun," 24 Aug. 2016 The cells shut down in response to DNA-damaging agents like gamma radiation, or when a cancer-inducing gene was inserted. Diana Gitig, Ars Technica, "Naked mole rats have a complicated relationship with cancer," 7 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'gamma radiation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of gamma radiation

1904, in the meaning defined above

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More Definitions for gamma radiation

gamma radiation

noun

Medical Definition of gamma radiation

: radiation that is composed of gamma rays and is used in cancer radiotherapy