tindexthermionics./thurm-ahy-on-iks, thur-mee-/US // ˌθɜrm aɪˈɒn ɪks, ˌθɜr mi- //UK // (ˌθɜːmɪˈɒnɪks) //热电学,热释电学,热释电,热离子Definitionsn.noun · 名词1.›the branch of physics that deals with thermionic phenomena.Level 5More words in t →