1 antineutron | Definition of antineutron

antineutron

noun
an·​ti·​neu·​tron | \ -ˈnü-ËŒträn How to pronounce antineutron (audio) , -ˈnyü-\

Definition of antineutron

: the antiparticle of the neutron

First Known Use of antineutron

1942, in the meaning defined above

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More from Merriam-Webster on antineutron

Britannica.com: Encyclopedia article about antineutron