英语词汇“antiparticle”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	antiparticle
释义	antiparticle /an"tee pahr'ti keuhl, an"tuy-/, n. Physics. a particle all of whose properties, as mass, spin, or charge, have the same magnitude as but, where appropriate, the opposite sign of a specific elementary particle; neutral pions, photons, and gravitons are considered to be their own antiparticles: The positron is the antiparticle of the electron. Cf. antimatter, annihilation (def. 3). [1930-35; ANTI- + PARTICLE]
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