"platinum black" meaning in All languages combined

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      "expansion": "platinum black (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
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      ],
      "coordinate_terms": [
        {
          "word": "iridium black"
        }
      ],
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          "ref": "1923, Ernest Bramah [pseudonym; Ernest Brammah Smith], “(please specify the page)”, in The Eyes of Max Carrados, London: Grant Richards, →OCLC:",
          "text": "\"In the meanwhile,\" remarked Carrados, \"if you find the time hang heavy on your hands you might look up the subject of 'platinum black.' […] It is a chemical that has the remarkable property of igniting hydrogen or coal gas by mere contact,\" replied Carrados. \"Think how useful that may be if you haven't got a match!\"",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A soft, dull black powder consisting of finely divided metallic platinum obtained by reduction and precipitation from its solutions. It absorbs oxygen to a high degree, and is employed as an oxidizer."
      ],
      "id": "en-platinum_black-en-noun-y4ovEJeP",
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          "metallic",
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          "platinum"
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        [
          "reduction",
          "reduction"
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        [
          "precipitation",
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        ],
        [
          "solution",
          "solution"
        ],
        [
          "absorb",
          "absorb"
        ],
        [
          "oxygen",
          "oxygen"
        ],
        [
          "oxidizer",
          "oxidizer"
        ]
      ],
      "tags": [
        "uncountable"
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  ],
  "word": "platinum black"
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{
  "coordinate_terms": [
    {
      "word": "iridium black"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "ref": "1923, Ernest Bramah [pseudonym; Ernest Brammah Smith], “(please specify the page)”, in The Eyes of Max Carrados, London: Grant Richards, →OCLC:",
          "text": "\"In the meanwhile,\" remarked Carrados, \"if you find the time hang heavy on your hands you might look up the subject of 'platinum black.' […] It is a chemical that has the remarkable property of igniting hydrogen or coal gas by mere contact,\" replied Carrados. \"Think how useful that may be if you haven't got a match!\"",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A soft, dull black powder consisting of finely divided metallic platinum obtained by reduction and precipitation from its solutions. It absorbs oxygen to a high degree, and is employed as an oxidizer."
      ],
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          "absorb",
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        ],
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          "oxygen",
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      ],
      "tags": [
        "uncountable"
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    }
  ],
  "word": "platinum black"
}