反はん粒りゅう子しMeaningsNoun1. antiparticleKanji used反be against粒a single grain子childPitch accentはんりゅうしComposed of反はんanti-; antithesis; fanqie; traditional Chinese spelling system in which two characters are used: the first one for the onset, the second one for rhyme and tonePrefix粒りゅう子しparticle; grainNoun