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| an·ti·par·ti·cle [ àntee prtik'l, àntī prtik'l ] (plural an·ti·par·ti·cles) |
noun |
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| Definition: |
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elementary particle having some opposite properties: an elementary particle with the same mass as its corresponding particle but with opposite values for other properties such as charge. When an antiparticle and its particle interact, mutual annihilation occurs.
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