Dictionary/中性子ちゅうせいしChuuseishi中性子 (Chuuseishi) is a Japanese noun meaning “neutron”.MeaningsnounneutronKanji in 中性子中in性sex子childRelated words中inside内inside中medium (size)中(all) through (e.g. the night)子child子the Rat (first sign of the Chinese zodiac)実fruit子供child女性woman男性man息子son可能性possibility