激子 Traditional form: 激子 Pinyin (reading): jīzǐ Definitions: exciton (physics) Characters: 激 - to arouse, to incite; acute, sharp; fierce, violent 子 - son, child; seed, egg; fruit; small thing Traditional characters: 激 - to arouse, to incite; acute, sharp; fierce, violent 子 - son, child; seed, egg; fruit; small thing