单词	antiparticle
释义	antiparticle /ˈantɪˌpɑːtɪk(ə)l / noun Physics A subatomic particle having the same mass as a given particle but opposite electric or magnetic properties. Every kind of subatomic particle has a corresponding antiparticle, e.g. the positron has the same mass as the electron but an equal and opposite charge.Positively charged beta particles, the antiparticle of electrons, are called positrons.... Some neutral particles such as photons are their own antiparticles, while others like neutrons have antiparticles with opposite magnetic moments. Note that subatomic particles sometimes have antiparticles, with opposite charge and spin, that are the same ones going backwards in time.
随便看	orienteering Orient Express orientite oriently orifice orificial oriflamme orig. origami origan origanum origany Origen Origenian Origenic Origenism Origenist origin original original Australian original equipment manufacturer original gravity original instrument originalism originalist

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