Meaning of thermionics in English:

thermionics

Pronunciation /θəːmɪˈɒnɪks/

plural noun

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

    ‘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.’
    • ‘It has invented a semiconductor technology that converts heat from a wide variety of sources to electrical energy using solid state thermionics.’