"excitron" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "excite",
        "3": "tron"
      },
      "expansion": "excite + -tron",
      "name": "suffix"
    }
  ],
  "etymology_text": "excite + -tron",
  "forms": [
    {
      "form": "excitrons",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "excitron (plural excitrons)",
      "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"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -tron",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1960 March, “Silicon Rectifiers for a French dual-frequency Bo-Bo locomotive”, in Trains Illustrated, page 166",
          "text": "The two traction motors of Nos. BB-30003/4, one on each bogie, were supplied by eight single-anode, mercury-arc, air-cooled rectifiers of the excitron type, in which the arc is maintained continuously, […].",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A kind of mercury pool tube."
      ],
      "id": "en-excitron-en-noun-N-mPhblE",
      "raw_glosses": [
        "(historical) A kind of mercury pool tube."
      ],
      "tags": [
        "historical"
      ],
      "wikipedia": [
        "Gas-filled tube"
      ]
    }
  ],
  "word": "excitron"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "excite",
        "3": "tron"
      },
      "expansion": "excite + -tron",
      "name": "suffix"
    }
  ],
  "etymology_text": "excite + -tron",
  "forms": [
    {
      "form": "excitrons",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "excitron (plural excitrons)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms suffixed with -tron",
        "English terms with historical senses",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1960 March, “Silicon Rectifiers for a French dual-frequency Bo-Bo locomotive”, in Trains Illustrated, page 166",
          "text": "The two traction motors of Nos. BB-30003/4, one on each bogie, were supplied by eight single-anode, mercury-arc, air-cooled rectifiers of the excitron type, in which the arc is maintained continuously, […].",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A kind of mercury pool tube."
      ],
      "raw_glosses": [
        "(historical) A kind of mercury pool tube."
      ],
      "tags": [
        "historical"
      ],
      "wikipedia": [
        "Gas-filled tube"
      ]
    }
  ],
  "word": "excitron"
}