"flash over" meaning in English

{
  "forms": [
    {
      "form": "flashes over",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "flashing over",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "flashed over",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "flashed over",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "flash over (third-person singular simple present flashes over, present participle flashing over, simple past and past participle flashed over)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "glosses": [
        "To undergo flashing (ignition) throughout a space all at once."
      ],
      "id": "en-flash_over-en-verb-flgDEEab",
      "links": [
        [
          "flashing",
          "flashing#Noun"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "24 76",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "20 80",
          "kind": "other",
          "name": "English phrasal verbs formed with \"over\"",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "27 73",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "13 87",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "43 57",
          "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"
        }
      ],
      "derived": [
        {
          "_dis1": "40 60",
          "tags": [
            "noun"
          ],
          "word": "flashover"
        }
      ],
      "glosses": [
        "To undergo an unintended electric discharge or arc over or around an insulator."
      ],
      "id": "en-flash_over-en-verb-j2OcscfW",
      "links": [
        [
          "electric",
          "electric"
        ],
        [
          "discharge",
          "discharge"
        ],
        [
          "arc",
          "arc"
        ],
        [
          "insulator",
          "insulator"
        ]
      ]
    }
  ],
  "word": "flash over"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English phrasal verbs",
    "English phrasal verbs formed with \"over\"",
    "English verbs",
    "Pages with 1 entry",
    "Pages with entries",
    "en:Firefighting"
  ],
  "derived": [
    {
      "tags": [
        "noun"
      ],
      "word": "flashover"
    }
  ],
  "forms": [
    {
      "form": "flashes over",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "flashing over",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "flashed over",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "flashed over",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "flash over (third-person singular simple present flashes over, present participle flashing over, simple past and past participle flashed over)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "glosses": [
        "To undergo flashing (ignition) throughout a space all at once."
      ],
      "links": [
        [
          "flashing",
          "flashing#Noun"
        ]
      ]
    },
    {
      "glosses": [
        "To undergo an unintended electric discharge or arc over or around an insulator."
      ],
      "links": [
        [
          "electric",
          "electric"
        ],
        [
          "discharge",
          "discharge"
        ],
        [
          "arc",
          "arc"
        ],
        [
          "insulator",
          "insulator"
        ]
      ]
    }
  ],
  "word": "flash over"
}