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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.
    • 相關詞

    thermionic emission

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

    Oxford American Dictionary

    thermionic tube

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

    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

    • 更多解釋

    thermionic

    • IPA[θəːmɪˈɒnɪk]

    英式

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

    Oxford Dictionary