"gigacandela" meaning in English

{
  "etymology_templates": [
    {
      "args": {
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        "2": "giga",
        "3": "candela"
      },
      "expansion": "giga- + candela",
      "name": "prefix"
    }
  ],
  "etymology_text": "From giga- + candela.",
  "forms": [
    {
      "form": "gigacandelas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "gigacandela (plural gigacandelas)",
      "name": "en-noun"
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  ],
  "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"
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          "source": "w"
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          "name": "English terms prefixed with giga-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w"
        },
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          "langcode": "en",
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          "orig": "en:SI units",
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            "Metrology",
            "Quantity",
            "Applied sciences",
            "Mathematics",
            "Sciences",
            "Formal sciences",
            "All topics",
            "Fundamental"
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          "langcode": "en",
          "name": "Units of measure",
          "orig": "en:Units of measure",
          "parents": [
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            "Quantity",
            "Applied sciences",
            "Mathematics",
            "Sciences",
            "Formal sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An SI unit of measurement equivalent to one billion (10⁹) candelas, abbreviated as Gcd."
      ],
      "id": "en-gigacandela-en-noun-gng7VQPH",
      "links": [
        [
          "SI",
          "SI"
        ],
        [
          "billion",
          "billion"
        ],
        [
          "candela",
          "candela"
        ],
        [
          "Gcd",
          "Gcd"
        ]
      ]
    }
  ],
  "word": "gigacandela"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "giga",
        "3": "candela"
      },
      "expansion": "giga- + candela",
      "name": "prefix"
    }
  ],
  "etymology_text": "From giga- + candela.",
  "forms": [
    {
      "form": "gigacandelas",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "gigacandela (plural gigacandelas)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      ],
      "glosses": [
        "An SI unit of measurement equivalent to one billion (10⁹) candelas, abbreviated as Gcd."
      ],
      "links": [
        [
          "SI",
          "SI"
        ],
        [
          "billion",
          "billion"
        ],
        [
          "candela",
          "candela"
        ],
        [
          "Gcd",
          "Gcd"
        ]
      ]
    }
  ],
  "word": "gigacandela"
}