"Castner process" meaning in English

{
  "etymology_text": "Introduced in 1888 by Hamilton Castner.",
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  "lang_code": "en",
  "pos": "name",
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          "name": "Inorganic chemistry",
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      "glosses": [
        "A method for the production of metallic sodium by the electrolysis of molten sodium hydroxide"
      ],
      "id": "en-Castner_process-en-name-mp8Ek-fg",
      "links": [
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          "inorganic chemistry",
          "inorganic chemistry"
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        [
          "sodium",
          "sodium"
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          "electrolysis",
          "electrolysis"
        ],
        [
          "sodium hydroxide",
          "sodium hydroxide"
        ]
      ],
      "raw_glosses": [
        "(inorganic chemistry) A method for the production of metallic sodium by the electrolysis of molten sodium hydroxide"
      ],
      "topics": [
        "chemistry",
        "inorganic-chemistry",
        "natural-sciences",
        "physical-sciences"
      ],
      "wikipedia": [
        "Castner process"
      ]
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  "word": "Castner process"
}

{
  "etymology_text": "Introduced in 1888 by Hamilton Castner.",
  "head_templates": [
    {
      "args": {},
      "expansion": "Castner process",
      "name": "en-proper noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
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    {
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        "en:Inorganic chemistry"
      ],
      "glosses": [
        "A method for the production of metallic sodium by the electrolysis of molten sodium hydroxide"
      ],
      "links": [
        [
          "inorganic chemistry",
          "inorganic chemistry"
        ],
        [
          "sodium",
          "sodium"
        ],
        [
          "electrolysis",
          "electrolysis"
        ],
        [
          "sodium hydroxide",
          "sodium hydroxide"
        ]
      ],
      "raw_glosses": [
        "(inorganic chemistry) A method for the production of metallic sodium by the electrolysis of molten sodium hydroxide"
      ],
      "topics": [
        "chemistry",
        "inorganic-chemistry",
        "natural-sciences",
        "physical-sciences"
      ],
      "wikipedia": [
        "Castner process"
      ]
    }
  ],
  "word": "Castner process"
}