antiparticle
English Thesaurus
1. a particle that has the same mass as another particle but has opposite values for its other properties; interaction of a particle and its antiparticle results in annihilation and the production of radiant energy (noun.object)
| hypernym | : | elementary particle, fundamental particle, |
| definition | : | (physics) a particle that is less complex than an atom; regarded as constituents of all matter (noun.object) |
| substance meronym | : | antimatter, |
| definition | : | matter consisting of elementary particles that are the antiparticles of those making up normal substances (noun.substance) |
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