Antineutron

The antineutron is the antiparticle of the neutron with symbol {SubatomicParticle|Antineutron}. It differs from the neutron only in that some of its properties have equal magnitude but opposite sign. It has the same mass as the neutron, and no net electric charge, but has opposite baryon number (+1 for neutron, −1 for the antineutron). This is b...
Found on http://en.wikipedia.org/wiki/Antineutron

antineutron

[n] - the antiparticle of a neutron
Found on http://www.webdictionary.co.uk/definition.php?query=antineutron

antineutron

noun the antiparticle of a neutron
Found on http://wordnetweb.princeton.edu/perl/webwn?s=antineutron
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