"pentode" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pent",
        "3": "ode"
      },
      "expansion": "pent- + -ode",
      "name": "confix"
    }
  ],
  "etymology_text": "From pent- + -ode.",
  "forms": [
    {
      "form": "pentodes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pentode (plural pentodes)",
      "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": "English terms prefixed with pent-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -ode",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
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          "source": "w"
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          "source": "w"
        },
        {
          "kind": "other",
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          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Japanese translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Swedish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Tagalog translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Electron tubes",
          "orig": "en:Electron tubes",
          "parents": [
            "Electronics",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Electronics",
          "orig": "en:Electronics",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "photopentode"
        }
      ],
      "glosses": [
        "A thermionic valve similar to a tetrode with the addition of a third grid, the suppressor grid to reduce the secondary emission effect; was/is used in high quality audio and radio products."
      ],
      "hypernyms": [
        {
          "word": "vacuum tube"
        }
      ],
      "hyponyms": [
        {
          "word": "output pentode"
        },
        {
          "word": "RF pentode"
        }
      ],
      "id": "en-pentode-en-noun-CHY7SyA2",
      "links": [
        [
          "thermionic valve",
          "thermionic valve"
        ],
        [
          "tetrode",
          "tetrode"
        ],
        [
          "addition",
          "addition"
        ],
        [
          "suppressor grid",
          "suppressor grid"
        ],
        [
          "quality",
          "quality"
        ],
        [
          "audio",
          "audio"
        ],
        [
          "radio",
          "radio"
        ]
      ],
      "meronyms": [
        {
          "word": "cathode"
        },
        {
          "alt": "g1",
          "word": "control grid"
        },
        {
          "alt": "g2",
          "word": "screen grid"
        },
        {
          "alt": "g3",
          "word": "suppressor grid"
        },
        {
          "english": "also called: plate",
          "word": "anode"
        }
      ],
      "related": [
        {
          "word": "w:kinkless tetrode"
        }
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "thermionic valve",
          "word": "pentodi"
        },
        {
          "code": "ja",
          "lang": "Japanese",
          "roman": "gokyokukan",
          "sense": "thermionic valve",
          "word": "五極管"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "thermionic valve",
          "tags": [
            "common-gender"
          ],
          "word": "pentod"
        },
        {
          "code": "tl",
          "lang": "Tagalog",
          "sense": "thermionic valve",
          "word": "limandas"
        }
      ],
      "wikipedia": [
        "pentode"
      ]
    }
  ],
  "word": "pentode"
}

{
  "derived": [
    {
      "word": "photopentode"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pent",
        "3": "ode"
      },
      "expansion": "pent- + -ode",
      "name": "confix"
    }
  ],
  "etymology_text": "From pent- + -ode.",
  "forms": [
    {
      "form": "pentodes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pentode (plural pentodes)",
      "name": "en-noun"
    }
  ],
  "hypernyms": [
    {
      "word": "vacuum tube"
    }
  ],
  "hyponyms": [
    {
      "word": "output pentode"
    },
    {
      "word": "RF pentode"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "meronyms": [
    {
      "word": "cathode"
    },
    {
      "alt": "g1",
      "word": "control grid"
    },
    {
      "alt": "g2",
      "word": "screen grid"
    },
    {
      "alt": "g3",
      "word": "suppressor grid"
    },
    {
      "english": "also called: plate",
      "word": "anode"
    }
  ],
  "pos": "noun",
  "related": [
    {
      "word": "w:kinkless tetrode"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with pent-",
        "English terms suffixed with -ode",
        "Entries with translation boxes",
        "Pages with 2 entries",
        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with Japanese translations",
        "Terms with Swedish translations",
        "Terms with Tagalog translations",
        "en:Electron tubes",
        "en:Electronics"
      ],
      "glosses": [
        "A thermionic valve similar to a tetrode with the addition of a third grid, the suppressor grid to reduce the secondary emission effect; was/is used in high quality audio and radio products."
      ],
      "links": [
        [
          "thermionic valve",
          "thermionic valve"
        ],
        [
          "tetrode",
          "tetrode"
        ],
        [
          "addition",
          "addition"
        ],
        [
          "suppressor grid",
          "suppressor grid"
        ],
        [
          "quality",
          "quality"
        ],
        [
          "audio",
          "audio"
        ],
        [
          "radio",
          "radio"
        ]
      ],
      "wikipedia": [
        "pentode"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "thermionic valve",
      "word": "pentodi"
    },
    {
      "code": "ja",
      "lang": "Japanese",
      "roman": "gokyokukan",
      "sense": "thermionic valve",
      "word": "五極管"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "thermionic valve",
      "tags": [
        "common-gender"
      ],
      "word": "pentod"
    },
    {
      "code": "tl",
      "lang": "Tagalog",
      "sense": "thermionic valve",
      "word": "limandas"
    }
  ],
  "word": "pentode"
}