"black phosphorus" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "name": "Allotropes",
          "orig": "en:Allotropes",
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        {
          "kind": "other",
          "langcode": "en",
          "name": "Phosphorus",
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      "coordinate_terms": [
        {
          "english": "the graphene analogous derivative of black phosphorus, where black phosphorus is a graphite analog",
          "translation": "the graphene analogous derivative of black phosphorus, where black phosphorus is a graphite analog",
          "word": "phosphorene"
        }
      ],
      "glosses": [
        "The least reactive of the allotropes of phosphorus; it has no significant commercial use."
      ],
      "id": "en-black_phosphorus-en-noun-LKph-9R~",
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          "least",
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          "reactive",
          "reactive"
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          "allotrope",
          "allotrope"
        ]
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      "tags": [
        "uncountable"
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      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "lang_code": "fi",
          "sense": "allotrope of phosphorus",
          "word": "musta fosfori"
        }
      ]
    }
  ],
  "word": "black phosphorus"
}

{
  "coordinate_terms": [
    {
      "english": "the graphene analogous derivative of black phosphorus, where black phosphorus is a graphite analog",
      "translation": "the graphene analogous derivative of black phosphorus, where black phosphorus is a graphite analog",
      "word": "phosphorene"
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "en:Allotropes",
        "en:Phosphorus"
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      "glosses": [
        "The least reactive of the allotropes of phosphorus; it has no significant commercial use."
      ],
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          "least",
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          "reactive",
          "reactive"
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          "allotrope",
          "allotrope"
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  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "lang_code": "fi",
      "sense": "allotrope of phosphorus",
      "word": "musta fosfori"
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  ],
  "word": "black phosphorus"
}