neutron

noun

neu·​tron ˈnü-ˌträn How to pronounce neutron (audio)
ˈnyü-
: 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
neutronic adjective

Examples of neutron in a Sentence

Recent Examples on the Web Experiments had uncovered a dizzying array of new particles resembling protons and neutrons, but with a wide assortment of masses and charges. Quanta Magazine, 23 May 2024 The presence of such a field would make the strong nuclear force, which holds protons and neutrons together, symmetric in a way that’s observed in experiments. Charlie Wood, Quanta Magazine, 17 May 2024 There are four fundamental forces in the universe: gravity, electromagnetism, the strong force (which holds together protons and neutrons in atomic nuclei) and the weak force (which plays a role in nuclear decay). Will Sullivan, Smithsonian Magazine, 11 Apr. 2024 Over time, one of those extra neutrons will decay into a proton and produce a new electron. Rhett Allain, WIRED, 23 Feb. 2024 See all Example Sentences for neutron 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'neutron.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

probably from neutral

First Known Use

1921, in the meaning defined above

Time Traveler
The first known use of neutron was in 1921

Dictionary Entries Near neutron

Cite this Entry

“Neutron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/neutron. Accessed 14 Jun. 2024.

Kids Definition

neutron

noun
neu·​tron ˈn(y)ü-ˌträn How to pronounce neutron (audio)
: 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 How to pronounce neutron (audio)
: 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

More from Merriam-Webster on neutron

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