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1. Oxford American Dictionary

   thermionic

   • IPA[ˌTHərmēˈänik]

   美式

   • adj.
     relating to electrons emitted from a substance at very high temperature.
2. • 相關詞

   thermionic emission

   • n.
     the emission of electrons from a heated source.

   Oxford American Dictionary

   thermionic emission

   • n.
     the emission of electrons from a heated source.

   Oxford Dictionary

   thermionic valve

   • n.
     a device giving a flow of thermionic electrons in one direction, used especially in the ...

   Oxford Dictionary

   thermionic tube

   • n.
     an electron tube giving a unidirectional flow of electrons emitted from a hot cathode, used ...

   Oxford American Dictionary

3. • 更多解釋

   thermionic

   • IPA[θəːmɪˈɒnɪk]

   英式

   • adj.
     relating to electrons emitted from a substance at very high temperature.

   Oxford Dictionary