autoionizationWiktionary 原文英美构词拆解autoauto-前缀ionizationionization词干auto-(productive) Reflexive, regarding or to oneself.词源说明From auto- + ionization.释义名词noun1A process by which atoms or molecules spontaneously transition from an electrically neutral state to a lower-energy ionized state同族词派生词 1autoionizational