-
- To save this word, you'll need to log in.
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
Scientists think that gamma rays emerge in thunderstorms when electrons accelerate through strong electric fields in the clouds.
—Rudy Molinek, Smithsonian Magazine, 4 Oct. 2024
The plane also detected two types of gamma ray bursts never before recorded.
—Paul Smaglik, Discover Magazine, 3 Oct. 2024
This implies that lightning is most likely a major instigator of gamma ray generation through supercharging already an electric field’s high energy electrons.
—Andrew Paul, Popular Science, 2 Oct. 2024
This helps your body use the tracer as sugar in your cells, which emits a form of energy called gamma rays.
—Susan Russell, Health, 12 Sep. 2024
See all Example Sentences for gamma ray
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'gamma ray.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1903, in the meaning defined above
Articles Related to gamma ray
Dictionary Entries Near gamma ray
Cite this Entry
“Gamma ray.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gamma%20ray. Accessed 5 Nov. 2024.
Kids Definition
gamma ray
noun
: a ray that is like an X-ray but of higher energy and that is given off especially by a radioactive substance
Medical Definition
gamma ray
noun
: a photon emitted spontaneously by a radioactive substance
also
: a high-energy photon
—usually used in plural
More from Merriam-Webster on gamma ray
Nglish: Translation of gamma ray for Spanish Speakers
Britannica.com: Encyclopedia article about gamma ray
Love words? Need even more definitions?
Merriam-Webster unabridged
Share