: an uncharged elementary particle that has a mass nearly equal to that of the proton and is present in all known atomic nuclei except the hydrogen nucleus
Examples of neutron in a Sentence
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High-energy neutrons released during the fusion process can degrade reactor materials, making maintenance a constant concern.
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New Atlas, 22 Dec. 2024
The neutrons fly out at extremely high speeds, and so engineers must find ways to convert their kinetic energy into heat that could be used to drive steam turbines.
—Benedict Cosgrove, Newsweek, 19 Dec. 2024
At the Department of Energy (DOE), which runs 17 national laboratories and large facilities such as x-ray synchrotrons and neutron sources, managers often have enough reserve funding to continue operations for a short while.
—Bydavid Malakoff, science.org, 19 Dec. 2024
Both its neutron count and its proton count are a magic number.
—Artemis Spyrou, Discover Magazine, 9 Oct. 2024
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New Atlas, 22 Dec. 2024
The neutrons fly out at extremely high speeds, and so engineers must find ways to convert their kinetic energy into heat that could be used to drive steam turbines.
—Benedict Cosgrove, Newsweek, 19 Dec. 2024
At the Department of Energy (DOE), which runs 17 national laboratories and large facilities such as x-ray synchrotrons and neutron sources, managers often have enough reserve funding to continue operations for a short while.
—Bydavid Malakoff, science.org, 19 Dec. 2024
Both its neutron count and its proton count are a magic number.
—Artemis Spyrou, Discover Magazine, 9 Oct. 2024
See all Example Sentences for neutron
Dictionary Entries Near neutron
Cite this Entry
“Neutron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/neutron. Accessed 30 Jan. 2025.
Copy CitationKids Definition
neutron
noun
neu·tron
ˈn(y)ü-ˌträn 
: an uncharged atomic particle that has a mass nearly equal to that of the proton and is present in all known atomic nuclei except the hydrogen nucleus
Medical Definition
neutron
noun
neu·tron
ˈn(y)ü-ˌträn
: an uncharged elementary particle that has a mass nearly equal to that of the proton and is present in all known atomic nuclei except the hydrogen nucleus
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