"flashover" meaning in English

{
  "derived": [
    {
      "_dis1": "0 0",
      "word": "flashover voltage"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "flash over"
      },
      "expansion": "Deverbal from flash over",
      "name": "deverbal"
    }
  ],
  "etymology_text": "Deverbal from flash over.",
  "forms": [
    {
      "form": "flashovers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "flashover (countable and uncountable, plural flashovers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "58 42",
          "kind": "topical",
          "langcode": "en",
          "name": "Fire",
          "orig": "en:Fire",
          "parents": [
            "Combustion",
            "Light sources",
            "Chemical processes",
            "Light",
            "Nature",
            "Energy",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "53 47",
          "kind": "topical",
          "langcode": "en",
          "name": "Firefighting",
          "orig": "en:Firefighting",
          "parents": [
            "Emergency services",
            "Fire",
            "Public safety",
            "Combustion",
            "Light sources",
            "Public administration",
            "Security",
            "Chemical processes",
            "Light",
            "Government",
            "Society",
            "Nature",
            "Energy",
            "Politics",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "The near simultaneous ignition of all combustible material in an enclosed area."
      ],
      "id": "en-flashover-en-noun-AkQrIIRW",
      "links": [
        [
          "simultaneous",
          "simultaneous"
        ],
        [
          "ignition",
          "ignition"
        ],
        [
          "combustible",
          "combustible"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "translations": [
        {
          "_dis1": "76 24",
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "ignition",
          "word": "閃燃"
        },
        {
          "_dis1": "76 24",
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "shǎnrán",
          "sense": "ignition",
          "word": "闪燃"
        },
        {
          "_dis1": "76 24",
          "code": "fi",
          "lang": "Finnish",
          "sense": "ignition",
          "word": "lieskahdus"
        },
        {
          "_dis1": "76 24",
          "code": "de",
          "lang": "German",
          "sense": "ignition",
          "tags": [
            "masculine"
          ],
          "word": "Flashover"
        },
        {
          "_dis1": "76 24",
          "code": "ja",
          "lang": "Japanese",
          "roman": "furasshuōbā",
          "sense": "ignition",
          "word": "フラッシュオーバー"
        },
        {
          "_dis1": "76 24",
          "code": "sv",
          "lang": "Swedish",
          "sense": "ignition",
          "tags": [
            "common-gender"
          ],
          "word": "övertändning"
        }
      ]
    },
    {
      "categories": [
        {
          "_dis": "40 60",
          "kind": "other",
          "name": "English deverbals",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "24 76",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "53 47",
          "kind": "topical",
          "langcode": "en",
          "name": "Firefighting",
          "orig": "en:Firefighting",
          "parents": [
            "Emergency services",
            "Fire",
            "Public safety",
            "Combustion",
            "Light sources",
            "Public administration",
            "Security",
            "Chemical processes",
            "Light",
            "Government",
            "Society",
            "Nature",
            "Energy",
            "Politics",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "1960 April, “Talking of Trains: Safety with 25kV a.c.”, in Trains Illustrated, page 203",
          "text": "The overhead line was energised at 25,000 volts and the height of the contact wire was reduced to 11 in. above the chimney, then to 5 and finally to 2 in.; at this last, short distance the flashover occurred, but all the men were perfectly safe because the current went direct to earth through the locomotive.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An unintended electric discharge or arc over or around an insulator."
      ],
      "id": "en-flashover-en-noun-yBPKN4Ui",
      "links": [
        [
          "electric",
          "electric"
        ],
        [
          "discharge",
          "discharge"
        ],
        [
          "arc",
          "arc"
        ],
        [
          "insulator",
          "insulator"
        ]
      ],
      "synonyms": [
        {
          "word": "sparkover"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "translations": [
        {
          "_dis1": "8 92",
          "code": "fi",
          "lang": "Finnish",
          "sense": "electric discharge",
          "word": "ylilyönti"
        },
        {
          "_dis1": "8 92",
          "code": "de",
          "lang": "German",
          "sense": "electric discharge",
          "tags": [
            "masculine"
          ],
          "word": "Überschlag"
        },
        {
          "_dis1": "8 92",
          "code": "sv",
          "lang": "Swedish",
          "sense": "electric discharge",
          "tags": [
            "neuter"
          ],
          "word": "överslag"
        }
      ]
    }
  ],
  "wikipedia": [
    "flashover"
  ],
  "word": "flashover"
}

{
  "categories": [
    "English countable nouns",
    "English deverbals",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English uncountable nouns",
    "en:Fire",
    "en:Firefighting"
  ],
  "derived": [
    {
      "word": "flashover voltage"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "flash over"
      },
      "expansion": "Deverbal from flash over",
      "name": "deverbal"
    }
  ],
  "etymology_text": "Deverbal from flash over.",
  "forms": [
    {
      "form": "flashovers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "flashover (countable and uncountable, plural flashovers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "The near simultaneous ignition of all combustible material in an enclosed area."
      ],
      "links": [
        [
          "simultaneous",
          "simultaneous"
        ],
        [
          "ignition",
          "ignition"
        ],
        [
          "combustible",
          "combustible"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    },
    {
      "categories": [
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1960 April, “Talking of Trains: Safety with 25kV a.c.”, in Trains Illustrated, page 203",
          "text": "The overhead line was energised at 25,000 volts and the height of the contact wire was reduced to 11 in. above the chimney, then to 5 and finally to 2 in.; at this last, short distance the flashover occurred, but all the men were perfectly safe because the current went direct to earth through the locomotive.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An unintended electric discharge or arc over or around an insulator."
      ],
      "links": [
        [
          "electric",
          "electric"
        ],
        [
          "discharge",
          "discharge"
        ],
        [
          "arc",
          "arc"
        ],
        [
          "insulator",
          "insulator"
        ]
      ],
      "synonyms": [
        {
          "word": "sparkover"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "ignition",
      "word": "閃燃"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "shǎnrán",
      "sense": "ignition",
      "word": "闪燃"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "ignition",
      "word": "lieskahdus"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "ignition",
      "tags": [
        "masculine"
      ],
      "word": "Flashover"
    },
    {
      "code": "ja",
      "lang": "Japanese",
      "roman": "furasshuōbā",
      "sense": "ignition",
      "word": "フラッシュオーバー"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "ignition",
      "tags": [
        "common-gender"
      ],
      "word": "övertändning"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "electric discharge",
      "word": "ylilyönti"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "electric discharge",
      "tags": [
        "masculine"
      ],
      "word": "Überschlag"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "electric discharge",
      "tags": [
        "neuter"
      ],
      "word": "överslag"
    }
  ],
  "wikipedia": [
    "flashover"
  ],
  "word": "flashover"
}