Definition of thermionics in English:


plural noun

  • [treated as singular] The branch of science and technology concerned with thermionic emission.

    • ‘It has invented a semiconductor technology that converts heat from a wide variety of sources to electrical energy using solid state thermionics.’
    • ‘Efficient, direct energy conversion devices powered by solid state thermionics have the potential to bring strategic and economic benefits to many aerospace, military and commercial applications.’