thermionic

therm i on ic |ˌTHərmīˈänik ˌθərmiˈɑnɪk | ▶adjective of or relating to electrons emitted from a substance at very high temperature.

thermionic emission

therm i on ic e mis sion ▶noun the emission of electrons from a heated source.

thermionics

therm i on ics |ˌTHərmīˈäniks ˌθərmaɪˈɑnɪks | ▶plural noun [ treated as sing. ] the branch of science and technology concerned with thermionic emission.

thermionic tube

therm i on ic tube (Brit. thermionic valve ) ▶noun Electronics an electron tube giving a unidirectional flow of electrons emitted from a hot cathode, used esp. in the rectification of a current and in radio reception.

thermionic

thermi |on ¦ic |θəːmɪˈɒnɪk | ▶adjective relating to electrons emitted from a substance at very high temperature.

thermionic emission

thermi |on ¦ic emis |sion ▶noun the emission of electrons from a heated source.

thermionics

ther ¦mi |on ¦ics |θəːmɪˈɒnɪks | ▶plural noun [ treated as sing. ] the branch of science and technology concerned with thermionic emission.

thermionic valve

thermionic valve (US thermionic tube ) ▶noun Electronics a device giving a flow of thermionic electrons in one direction, used especially in the rectification of a current and in radio reception.

thermionics

ther mi on ics /θə̀ː r miɑ́nɪks |-ɔ́n -/名詞 〖単数扱い 〗熱イオン学 .