"travelling-wave tube" meaning in English

{
  "forms": [
    {
      "form": "travelling-wave tubes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "travelling-wave tube (plural travelling-wave tubes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mandarin terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Electronics",
          "orig": "en:Electronics",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "tags": [
            "abbreviation"
          ],
          "word": "TWT"
        },
        {
          "english": "cold cathode TWT",
          "word": "cold cathode travelling-wave tube"
        }
      ],
      "examples": [
        {
          "ref": "2020, Alexander Figotin, An Analytic Theory Of Multi-stream Electron Beams In Traveling Wave Tubes, World Scientific, page 40",
          "text": "From the early days of the invention of traveling wave tubes and other devices employing electron beams, there have been efforts to understand the mechanisms and physics of RF signal amplification in those devices.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A type of vacuum tube which amplifies electromagnetic signals, where the electron gun fires down the tube with an unmodulated electron beam, that passes through an interaction array, where the EM-signal is fed, which interacts with the electron beam, bunching the electrons, and transferring power to the signal."
      ],
      "hypernyms": [
        {
          "word": "vacuum tube"
        }
      ],
      "id": "en-travelling-wave_tube-en-noun-K8oMJqgi",
      "links": [
        [
          "electronics",
          "electronics"
        ],
        [
          "vacuum tube",
          "vacuum tube"
        ],
        [
          "electromagnetic",
          "electromagnetic"
        ],
        [
          "electron gun",
          "electron gun"
        ],
        [
          "electron beam",
          "electron beam"
        ]
      ],
      "raw_glosses": [
        "(electronics) A type of vacuum tube which amplifies electromagnetic signals, where the electron gun fires down the tube with an unmodulated electron beam, that passes through an interaction array, where the EM-signal is fed, which interacts with the electron beam, bunching the electrons, and transferring power to the signal."
      ],
      "synonyms": [
        {
          "tags": [
            "abbreviation"
          ],
          "word": "TWT"
        },
        {
          "word": "traveling-wave tube"
        },
        {
          "word": "traveling wave tube"
        },
        {
          "word": "travelling wave tube"
        }
      ],
      "topics": [
        "business",
        "electrical-engineering",
        "electricity",
        "electromagnetism",
        "electronics",
        "energy",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "xíngbōguǎn",
          "sense": "type of vacuum tube",
          "word": "行波管"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "type of vacuum tube",
          "tags": [
            "feminine"
          ],
          "word": "Wanderfeldröhre"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "type of vacuum tube",
          "tags": [
            "feminine"
          ],
          "word": "Lauffeldröhre"
        }
      ]
    }
  ],
  "word": "travelling-wave tube"
}

{
  "derived": [
    {
      "tags": [
        "abbreviation"
      ],
      "word": "TWT"
    },
    {
      "english": "cold cathode TWT",
      "word": "cold cathode travelling-wave tube"
    }
  ],
  "forms": [
    {
      "form": "travelling-wave tubes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "travelling-wave tube (plural travelling-wave tubes)",
      "name": "en-noun"
    }
  ],
  "hypernyms": [
    {
      "word": "vacuum tube"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Mandarin terms with redundant transliterations",
        "en:Electronics"
      ],
      "examples": [
        {
          "ref": "2020, Alexander Figotin, An Analytic Theory Of Multi-stream Electron Beams In Traveling Wave Tubes, World Scientific, page 40",
          "text": "From the early days of the invention of traveling wave tubes and other devices employing electron beams, there have been efforts to understand the mechanisms and physics of RF signal amplification in those devices.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A type of vacuum tube which amplifies electromagnetic signals, where the electron gun fires down the tube with an unmodulated electron beam, that passes through an interaction array, where the EM-signal is fed, which interacts with the electron beam, bunching the electrons, and transferring power to the signal."
      ],
      "links": [
        [
          "electronics",
          "electronics"
        ],
        [
          "vacuum tube",
          "vacuum tube"
        ],
        [
          "electromagnetic",
          "electromagnetic"
        ],
        [
          "electron gun",
          "electron gun"
        ],
        [
          "electron beam",
          "electron beam"
        ]
      ],
      "raw_glosses": [
        "(electronics) A type of vacuum tube which amplifies electromagnetic signals, where the electron gun fires down the tube with an unmodulated electron beam, that passes through an interaction array, where the EM-signal is fed, which interacts with the electron beam, bunching the electrons, and transferring power to the signal."
      ],
      "topics": [
        "business",
        "electrical-engineering",
        "electricity",
        "electromagnetism",
        "electronics",
        "energy",
        "engineering",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "synonyms": [
    {
      "tags": [
        "abbreviation"
      ],
      "word": "TWT"
    },
    {
      "word": "traveling-wave tube"
    },
    {
      "word": "traveling wave tube"
    },
    {
      "word": "travelling wave tube"
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "xíngbōguǎn",
      "sense": "type of vacuum tube",
      "word": "行波管"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "type of vacuum tube",
      "tags": [
        "feminine"
      ],
      "word": "Wanderfeldröhre"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "type of vacuum tube",
      "tags": [
        "feminine"
      ],
      "word": "Lauffeldröhre"
    }
  ],
  "word": "travelling-wave tube"
}