antiparticle

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an·ti·par·ti·cle

 (ăn′tē-pär′tĭ-kəl, ăn′tī-)
n.
A subatomic particle, such as a positron or antiproton, having the same spin, magnitude of electric charge, magnitude of magnetic moment, mass, and mean lifetime as the particle to which it corresponds, but the opposite sign of charge, opposite direction of magnetic moment, and opposite intrinsic parity.

antiparticle

(ˈæntɪˌpɑːtɪkəl)
n
(Atomic Physics) any of a group of elementary particles that have the same mass and spin as their corresponding particle but have opposite values for all other nonzero quantum numbers. When a particle collides with its antiparticle, mutual annihilation occurs

an•ti•par•ti•cle

(ˈæn tiˌpɑr tɪ kəl, ˈæn taɪ-)

n.
a particle whose properties are identical in magnitude to those of a specific elementary particle but are of opposite sign.
[1930–35]

an·ti·par·ti·cle

(ăn′tē-pär′tĭ-kəl, ăn′tī-pär′tĭ-kəl)
A particle of antimatter that corresponds to an electron or proton but has an opposite charge.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.antiparticle - 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
elementary particle, fundamental particle - (physics) a particle that is less complex than an atom; regarded as constituents of all matter
antimatter - matter consisting of elementary particles that are the antiparticles of those making up normal substances
Translations
References in periodicals archive ?
In theory, every other anti-element on the anti-periodic table might exist, too.
Talking to reporter here Thursday, he said the entire nation was united against terrorism, adding the law enforcement agencies would soon trace anti-elements involved in the incident.
We have reclassified all 118 Elements and Anti-Elements on the current Mendeleev's Periodic Table format based on the 5 flavors of the HIGGS particle as H1, H2, H3, H4 and H5.