二に次じ粒りゅう子しMeaningsNoun1. secondary particleKanji used二two次next粒a single grain子childComposed of二に次じsecond; secondary; quadratic (function, equation, etc.); second-order; fictional (in relation to anime, manga, etc.); drawn; two-dimensionalNo-adjective粒りゅう子しparticle; grainNoun