: 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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This enabled them to study neutron-rich nuclei with high precision and determine two properties of chromium-61 known as spin and magnetic dipole moment, which reveal how protons and neutrons are distributed inside the nucleus.
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Georgina Jedikovska, Interesting Engineering, 3 Sep. 2025
This would initiate a series of nuclear processes where the atoms split in a process called spallation, which releases a shower of neutrons.
—New Atlas, 2 Sep. 2025
Helium-3 is primarily used in security scanners to detect neutrons from nuclear bombs or smuggled radioactive material.
—Jeremy Bogaisky, Forbes.com, 2 Sep. 2025
Nuclear batteries don’t split atoms with neutron bombardment.
—IEEE Spectrum, 25 Aug. 2025
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Georgina Jedikovska, Interesting Engineering, 3 Sep. 2025
This would initiate a series of nuclear processes where the atoms split in a process called spallation, which releases a shower of neutrons.
—New Atlas, 2 Sep. 2025
Helium-3 is primarily used in security scanners to detect neutrons from nuclear bombs or smuggled radioactive material.
—Jeremy Bogaisky, Forbes.com, 2 Sep. 2025
Nuclear batteries don’t split atoms with neutron bombardment.
—IEEE Spectrum, 25 Aug. 2025
See All Example Sentences for neutron
Cite this Entry
“Neutron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/neutron. Accessed 8 Sep. 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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