"Parkes process" meaning in English

{
  "etymology_text": "For Alexander Parkes, English metallurgist",
  "head_templates": [
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      "args": {
        "1": "?"
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      "expansion": "Parkes process",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "kind": "topical",
          "langcode": "en",
          "name": "Inorganic chemistry",
          "orig": "en:Inorganic chemistry",
          "parents": [
            "Chemistry",
            "Sciences",
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            "Fundamental"
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          "source": "w"
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      ],
      "glosses": [
        "A process for removing silver from lead by preferential solution in liquid zinc"
      ],
      "id": "en-Parkes_process-en-noun-kPlbVc1z",
      "links": [
        [
          "inorganic chemistry",
          "inorganic chemistry"
        ],
        [
          "silver",
          "silver"
        ],
        [
          "lead",
          "lead"
        ],
        [
          "solution",
          "solution"
        ],
        [
          "zinc",
          "zinc"
        ]
      ],
      "raw_glosses": [
        "(inorganic chemistry) A process for removing silver from lead by preferential solution in liquid zinc"
      ],
      "topics": [
        "chemistry",
        "inorganic-chemistry",
        "natural-sciences",
        "physical-sciences"
      ],
      "translations": [
        {
          "code": "it",
          "lang": "Italian",
          "sense": "process for removing silver from lead",
          "tags": [
            "masculine"
          ],
          "word": "zincaggio"
        }
      ],
      "wikipedia": [
        "Parkes process"
      ]
    }
  ],
  "word": "Parkes process"
}

{
  "etymology_text": "For Alexander Parkes, English metallurgist",
  "head_templates": [
    {
      "args": {
        "1": "?"
      },
      "expansion": "Parkes process",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English entries with incorrect language header",
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        "English nouns with unknown or uncertain plurals",
        "English terms with non-redundant non-automated sortkeys",
        "en:Inorganic chemistry"
      ],
      "glosses": [
        "A process for removing silver from lead by preferential solution in liquid zinc"
      ],
      "links": [
        [
          "inorganic chemistry",
          "inorganic chemistry"
        ],
        [
          "silver",
          "silver"
        ],
        [
          "lead",
          "lead"
        ],
        [
          "solution",
          "solution"
        ],
        [
          "zinc",
          "zinc"
        ]
      ],
      "raw_glosses": [
        "(inorganic chemistry) A process for removing silver from lead by preferential solution in liquid zinc"
      ],
      "topics": [
        "chemistry",
        "inorganic-chemistry",
        "natural-sciences",
        "physical-sciences"
      ],
      "wikipedia": [
        "Parkes process"
      ]
    }
  ],
  "translations": [
    {
      "code": "it",
      "lang": "Italian",
      "sense": "process for removing silver from lead",
      "tags": [
        "masculine"
      ],
      "word": "zincaggio"
    }
  ],
  "word": "Parkes process"
}