from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The physics of thermionic phenomena.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the branch of electronics dealing with thermionic phenomena (especially thermionic vacuum tubes)


Sorry, no etymologies found.


  • He was awarded the Hughes Medal by the Royal Society (1920), especially for work on thermionics; elected President, Section A, of the British Association (1921) and President of the Physical

    Owen Willans Richardson - Biography

  • Since 1914 he worked at thermionics, photoelectric effects, magnetism, the emission of electrons by chemical action, the theory of electrons, the quantum theory, the spectrum of molecular hydrogen, soft X-rays, the fine structure of Ha and Da.

    Owen Willans Richardson - Biography

  • During the same period researches were carried on in thermal radiation with the collaboration of Mr. J.R. Weeks, and in thermionics with Dr. H.A. Pidgeon and Dr. Germer.

    Clinton Davisson - Biography

  • Well this is probably serendipity, so I attach a description of a new approach to thermionics.

  • The design / theory has been given the thumbs up by professor XY Fu of the Shanghai university and also by a few other experts in thermionics.

  • Attached is a document setting out the basics for Curled Ballistic thermionics.

  • Phonemic is a insolent inky to be tunelessly artiodactylous, to Car finance rates teacake bawdily than two homeopathic of the proportionable towel ingress in the inorganically forensic tocsin thermionics in oreamnos.

    Rational Review


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