"flash powder" meaning in English

{
  "forms": [
    {
      "form": "flash powders",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "flash powder (countable and uncountable, plural flash powders)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Photography",
          "orig": "en:Photography",
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            "Human activity",
            "Media",
            "Culture",
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            "Communication",
            "Society",
            "Human",
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        }
      ],
      "glosses": [
        "A powder that burns with a very rapid flash when ignited; used in pyrotechnics and early flash photography."
      ],
      "id": "en-flash_powder-en-noun-r5JuFbyt",
      "links": [
        [
          "photography",
          "photography"
        ],
        [
          "pyrotechnics",
          "pyrotechnics"
        ],
        [
          "flash photography",
          "flash photography"
        ]
      ],
      "raw_glosses": [
        "(photography) A powder that burns with a very rapid flash when ignited; used in pyrotechnics and early flash photography."
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "arts",
        "hobbies",
        "lifestyle",
        "photography"
      ],
      "translations": [
        {
          "code": "de",
          "lang": "German",
          "sense": "Translations",
          "tags": [
            "neuter"
          ],
          "word": "Blitzlichtpulver"
        },
        {
          "code": "ga",
          "lang": "Irish",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "púdar splaince"
        }
      ]
    }
  ],
  "word": "flash powder"
}

{
  "forms": [
    {
      "form": "flash powders",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "expansion": "flash powder (countable and uncountable, plural flash powders)",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "Terms with German translations",
        "Terms with Irish translations",
        "Translation table header lacks gloss",
        "en:Photography"
      ],
      "glosses": [
        "A powder that burns with a very rapid flash when ignited; used in pyrotechnics and early flash photography."
      ],
      "links": [
        [
          "photography",
          "photography"
        ],
        [
          "pyrotechnics",
          "pyrotechnics"
        ],
        [
          "flash photography",
          "flash photography"
        ]
      ],
      "raw_glosses": [
        "(photography) A powder that burns with a very rapid flash when ignited; used in pyrotechnics and early flash photography."
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "arts",
        "hobbies",
        "lifestyle",
        "photography"
      ]
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "Translations",
      "tags": [
        "neuter"
      ],
      "word": "Blitzlichtpulver"
    },
    {
      "code": "ga",
      "lang": "Irish",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "púdar splaince"
    }
  ],
  "word": "flash powder"
}