"black manganese" meaning in All languages combined

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      "expansion": "black manganese (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Manganese",
          "orig": "en:Manganese",
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            "Transition metals",
            "Chemical elements",
            "Metals",
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      "glosses": [
        "The black oxide of manganese, MnO₂."
      ],
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          "oxide",
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          "manganese",
          "manganese"
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      "tags": [
        "uncountable"
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  "word": "black manganese"
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      "glosses": [
        "The black oxide of manganese, MnO₂."
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          "oxide",
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          "manganese",
          "manganese"
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  "word": "black manganese"
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