"tetrode" meaning in English

{
  "derived": [
    {
      "_dis1": "0 0 0",
      "word": "beam tetrode"
    },
    {
      "_dis1": "0 0 0",
      "word": "w:kinkless tetrode"
    }
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        "2": "tetr",
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      "expansion": "tetr- + -ode",
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    }
  ],
  "etymology_text": "tetr- + -ode",
  "forms": [
    {
      "form": "tetrodes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "tetrode (plural tetrodes)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "_dis1": "0 0 0",
      "word": "diode"
    },
    {
      "_dis1": "0 0 0",
      "word": "triode"
    },
    {
      "_dis1": "0 0 0",
      "word": "pentode"
    },
    {
      "_dis1": "0 0 0",
      "word": "-ode"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "_dis": "40 25 34",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "_dis": "46 21 33",
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          "_dis": "43 29 28",
          "kind": "other",
          "name": "English terms suffixed with -ode",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A thermionic valve similar to a triode with the addition of a screen grid to improve the thermionic emission."
      ],
      "id": "en-tetrode-en-noun-w2Favmoy",
      "links": [
        [
          "thermionic valve",
          "thermionic valve"
        ],
        [
          "triode",
          "triode"
        ],
        [
          "addition",
          "addition"
        ],
        [
          "screen grid",
          "screen grid"
        ]
      ],
      "translations": [
        {
          "_dis1": "84 8 8",
          "code": "ru",
          "lang": "Russian",
          "roman": "tetrod",
          "sense": "a thermionic valve similar to a triode with the addition of a screen grid to protect the control grid",
          "tags": [
            "masculine"
          ],
          "word": "тетрод"
        },
        {
          "_dis1": "84 8 8",
          "code": "sv",
          "lang": "Swedish",
          "sense": "a thermionic valve similar to a triode with the addition of a screen grid to protect the control grid",
          "tags": [
            "common-gender"
          ],
          "word": "tetrod"
        },
        {
          "_dis1": "84 8 8",
          "code": "tl",
          "lang": "Tagalog",
          "sense": "a thermionic valve similar to a triode with the addition of a screen grid to protect the control grid",
          "word": "patandas"
        }
      ]
    },
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      ],
      "glosses": [
        "A dynatron."
      ],
      "id": "en-tetrode-en-noun-5mMnarCY",
      "links": [
        [
          "dynatron",
          "dynatron"
        ]
      ]
    },
    {
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        },
        {
          "_dis": "27 25 48",
          "kind": "topical",
          "langcode": "en",
          "name": "Electron tubes",
          "orig": "en:Electron tubes",
          "parents": [
            "Electronics",
            "Technology",
            "All topics",
            "Fundamental"
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          "_dis": "26 5 69",
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          "source": "w+disamb"
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          "_dis": "25 23 52",
          "kind": "topical",
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          "name": "Semiconductors",
          "orig": "en:Semiconductors",
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            "Technology",
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          "source": "w+disamb"
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      ],
      "glosses": [
        "A dual-gate MOSFET."
      ],
      "id": "en-tetrode-en-noun-e5uBvOYq"
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  "wikipedia": [
    "tetrode"
  ],
  "word": "tetrode"
}

{
  "categories": [
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    "English nouns",
    "English terms prefixed with tetr-",
    "English terms suffixed with -ode",
    "en:Electron tubes",
    "en:Electronics",
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  ],
  "derived": [
    {
      "word": "beam tetrode"
    },
    {
      "word": "w:kinkless tetrode"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "tetr",
        "3": "ode"
      },
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      "name": "confix"
    }
  ],
  "etymology_text": "tetr- + -ode",
  "forms": [
    {
      "form": "tetrodes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "tetrode (plural tetrodes)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "diode"
    },
    {
      "word": "triode"
    },
    {
      "word": "pentode"
    },
    {
      "word": "-ode"
    }
  ],
  "senses": [
    {
      "glosses": [
        "A thermionic valve similar to a triode with the addition of a screen grid to improve the thermionic emission."
      ],
      "links": [
        [
          "thermionic valve",
          "thermionic valve"
        ],
        [
          "triode",
          "triode"
        ],
        [
          "addition",
          "addition"
        ],
        [
          "screen grid",
          "screen grid"
        ]
      ]
    },
    {
      "glosses": [
        "A dynatron."
      ],
      "links": [
        [
          "dynatron",
          "dynatron"
        ]
      ]
    },
    {
      "glosses": [
        "A dual-gate MOSFET."
      ]
    }
  ],
  "translations": [
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "tetrod",
      "sense": "a thermionic valve similar to a triode with the addition of a screen grid to protect the control grid",
      "tags": [
        "masculine"
      ],
      "word": "тетрод"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "a thermionic valve similar to a triode with the addition of a screen grid to protect the control grid",
      "tags": [
        "common-gender"
      ],
      "word": "tetrod"
    },
    {
      "code": "tl",
      "lang": "Tagalog",
      "sense": "a thermionic valve similar to a triode with the addition of a screen grid to protect the control grid",
      "word": "patandas"
    }
  ],
  "wikipedia": [
    "tetrode"
  ],
  "word": "tetrode"
}