antineutron
noun
an·ti·neu·tron
ˌan-tē-ˈnü-ˌträn 
-ˈnyü-,
ˌan-tī-
: the antiparticle of the neutron
Examples of antineutron in a Sentence
Recent Examples on the Web
Specifically, Vorobyev’s team zeroed in on a version of the antiparticle known as antihelium-3, composed of two antiprotons and one antineutron.
—
Sophia Chen, WIRED, 14 Dec. 2022
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Sophia Chen, WIRED, 14 Dec. 2022
Cite this Entry
“Antineutron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/antineutron. Accessed 13 Mar. 2026.
Copy CitationKids Definition
antineutron
noun
an·ti·neu·tron
ˌant-i-ˈn(y)ü-ˌträn
ˌan-ˌtī-
: the uncharged part of antimatter that is related to the neutron
Love words? Need even more definitions?
Merriam-Webster unabridged
