"Raney nickel" meaning in English

{
  "etymology_text": "It was developed in 1926 by American engineer Murray Raney.",
  "forms": [
    {
      "form": "Raney nickels",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "Raney nickel (countable and uncountable, plural Raney nickels)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Alloys",
          "orig": "en:Alloys",
          "parents": [
            "Metals",
            "Matter",
            "Metallurgy",
            "Chemistry",
            "Nature",
            "Technology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Nickel",
          "orig": "en:Nickel",
          "parents": [
            "Transition metals",
            "Chemical elements",
            "Metals",
            "Matter",
            "Metallurgy",
            "Chemistry",
            "Nature",
            "Technology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A finely divided nickel-aluminum alloy that has been treated with NaOH to dissolve out most of the aluminum."
      ],
      "id": "en-Raney_nickel-en-noun-QP6I6dsy",
      "links": [
        [
          "nickel",
          "nickel"
        ],
        [
          "aluminum",
          "aluminum"
        ],
        [
          "alloy",
          "alloy"
        ]
      ],
      "synonyms": [
        {
          "word": "spongy nickel"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "wikipedia": [
        "Raney nickel"
      ]
    }
  ],
  "word": "Raney nickel"
}

{
  "etymology_text": "It was developed in 1926 by American engineer Murray Raney.",
  "forms": [
    {
      "form": "Raney nickels",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "Raney nickel (countable and uncountable, plural Raney nickels)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Alloys",
        "en:Nickel"
      ],
      "glosses": [
        "A finely divided nickel-aluminum alloy that has been treated with NaOH to dissolve out most of the aluminum."
      ],
      "links": [
        [
          "nickel",
          "nickel"
        ],
        [
          "aluminum",
          "aluminum"
        ],
        [
          "alloy",
          "alloy"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "wikipedia": [
        "Raney nickel"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "spongy nickel"
    }
  ],
  "word": "Raney nickel"
}