"nigrification" meaning in English

{
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        "2": "la",
        "3": "nigrificare",
        "4": "",
        "5": "to blacken"
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      "expansion": "Latin nigrificare (“to blacken”)",
      "name": "der"
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  "etymology_text": "From Latin nigrificare (“to blacken”), from niger (“black”) + -ficare (“to make”, in comparative). See -fy.",
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      "expansion": "nigrification (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "examples": [
        {
          "ref": "1812, David Stewart Erskine, The Anonymous and Fugitive Essays of the Earl of Buchan:",
          "text": "the physical disquisition concerning the nigrification of the rete mucosa in blacks",
          "type": "quote"
        }
      ],
      "glosses": [
        "The act or process of making black."
      ],
      "id": "en-nigrification-en-noun-4kwRegGY",
      "links": [
        [
          "black",
          "black"
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      ],
      "related": [
        {
          "word": "nigrify"
        }
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "nigrification"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "nigrificare",
        "4": "",
        "5": "to blacken"
      },
      "expansion": "Latin nigrificare (“to blacken”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Latin nigrificare (“to blacken”), from niger (“black”) + -ficare (“to make”, in comparative). See -fy.",
  "head_templates": [
    {
      "args": {
        "1": "-"
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      "expansion": "nigrification (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "nigrify"
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          "ref": "1812, David Stewart Erskine, The Anonymous and Fugitive Essays of the Earl of Buchan:",
          "text": "the physical disquisition concerning the nigrification of the rete mucosa in blacks",
          "type": "quote"
        }
      ],
      "glosses": [
        "The act or process of making black."
      ],
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  "word": "nigrification"
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