thermionic

/ (ˌθɜːmɪˈɒnɪk) /

adjective

of, relating to, or operated by electrons emitted from materials at high temperaturesa thermionic valve

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Example sentences from the Web for thermionic

  • I have even made an attempt to understand the mystery that is called the Thermionic Valve.

    The Tower of Oblivion|Oliver Onions
  • Above the mantel of the lodge's thermionic fireplace was hung a brilliant cascading stereo of Yosemite Falls in misty motion.

    Deepfreeze|Robert Donald Locke