| 释义 |
an·ti·particle
\ˈanˌtī, ˈantē, ˈantə̇ˌˌ\ noun
Etymology: anti- (I) + particle
: an elementary particle that is identical to another elementary particle in mass but opposite to it in electric and magnetic properties (as sign of charge) and that when brought together with its counterpart produces mutual annihilation ; specifically : an elementary particle not found in ordinary matter |