"emissivity" meaning in English

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      "expansion": "emissive + -ity",
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  ],
  "etymology_text": "From emissive + -ity.",
  "forms": [
    {
      "form": "emissivities",
      "tags": [
        "plural"
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  "lang_code": "en",
  "pos": "noun",
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          "orig": "en:Physics",
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      ],
      "glosses": [
        "The energy-emitting propensity of a surface, usually measured at a specific wavelength."
      ],
      "id": "en-emissivity-en-noun-YAbJ-xCl",
      "links": [
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          "physics",
          "physics"
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        [
          "propensity",
          "propensity"
        ],
        [
          "wavelength",
          "wavelength"
        ]
      ],
      "raw_glosses": [
        "(physics) The energy-emitting propensity of a surface, usually measured at a specific wavelength."
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "emissivity"
}

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        "2": "emissive",
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      "expansion": "emissive + -ity",
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  ],
  "etymology_text": "From emissive + -ity.",
  "forms": [
    {
      "form": "emissivities",
      "tags": [
        "plural"
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  ],
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  "lang_code": "en",
  "pos": "noun",
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        "The energy-emitting propensity of a surface, usually measured at a specific wavelength."
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        "(physics) The energy-emitting propensity of a surface, usually measured at a specific wavelength."
      ],
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        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
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  ],
  "word": "emissivity"
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