"megacandela" meaning in English

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  "etymology_text": "From mega- + candela.",
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      "form": "megacandelas",
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      "examples": [
        {
          "ref": "1980, S. V. Szokolay, Environmental science handbook for architects and builders, page 99:",
          "text": "Under clear sky conditions the luminance of the sun itself is around 1650 Mcd/m² (megacandela/m²)[.]",
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        {
          "ref": "1987, John E. Kaufman, Jack F. Christensen, IES Lighting Handbook: Application volume, →ISBN:",
          "text": "Searchlights utilized in helicopter operations range in size from a 450-watt, 0.4 megacandela unit using a type PAR-46 incandescent lamp (see Fig 20-3) up to a 30-kilowatt, xenon-lamped unit[.]",
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          "ref": "2012, Julio Sanchez, Maria P. Canton, Embedded Systems Circuits and Programming, →ISBN, page 12:",
          "text": "The light-emitting capacity of an LED is measured in megacandela [recte millicandelas] or mcd. Small commercial LEDs range from 10 to about 5000 mcd.",
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        }
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        "An SI unit of luminous intensity equal to 10⁶ candelas. Symbol: Mcd"
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          "Mcd",
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        "(metrology) An SI unit of luminous intensity equal to 10⁶ candelas. Symbol: Mcd"
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  "etymology_text": "From mega- + candela.",
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          "ref": "1980, S. V. Szokolay, Environmental science handbook for architects and builders, page 99:",
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        },
        {
          "ref": "1987, John E. Kaufman, Jack F. Christensen, IES Lighting Handbook: Application volume, →ISBN:",
          "text": "Searchlights utilized in helicopter operations range in size from a 450-watt, 0.4 megacandela unit using a type PAR-46 incandescent lamp (see Fig 20-3) up to a 30-kilowatt, xenon-lamped unit[.]",
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          "ref": "2012, Julio Sanchez, Maria P. Canton, Embedded Systems Circuits and Programming, →ISBN, page 12:",
          "text": "The light-emitting capacity of an LED is measured in megacandela [recte millicandelas] or mcd. Small commercial LEDs range from 10 to about 5000 mcd.",
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