thermionic

adj of that branchof physics that deals with the emission of electrons at high temperatures 热离子学的.

there, there and then, thereabouts, thereafter, thereby, therefor, therefore, therefrom, therein, thereinafter, thereof, thereon, thereto, thereunder, thereupon, therewith, therm, therm(o)-, thermal, thermal capacity, thermionic valve (US ,thermionic `tube), thermocouple, thermodynamics, thermoelectric, thermometer, thermometre, thermonuclear, thermoplastic, Thermos, thermosetting, thermostat, thermostatic, thermostatically, thesaurus, these, thesis, Thespian, Thespian (also thespian), they, they'd,