"kupfernickel" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "de",
        "3": "Kupfernickel"
      },
      "expansion": "Borrowed from German Kupfernickel",
      "name": "bor+"
    },
    {
      "args": {
        "1": "en",
        "2": "copper-nickel",
        "3": "cupronickel"
      },
      "expansion": "Piecewise doublet of copper-nickel and cupronickel",
      "name": "piecewise doublet"
    }
  ],
  "etymology_text": "Borrowed from German Kupfernickel. Piecewise doublet of copper-nickel and cupronickel.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "kupfernickel (uncountable)",
      "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"
        }
      ],
      "glosses": [
        "cupronickel"
      ],
      "id": "en-kupfernickel-en-noun-Z8iTraVE",
      "links": [
        [
          "cupronickel",
          "cupronickel"
        ]
      ],
      "raw_glosses": [
        "(archaic) cupronickel"
      ],
      "tags": [
        "archaic",
        "uncountable"
      ]
    }
  ],
  "word": "kupfernickel"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "de",
        "3": "Kupfernickel"
      },
      "expansion": "Borrowed from German Kupfernickel",
      "name": "bor+"
    },
    {
      "args": {
        "1": "en",
        "2": "copper-nickel",
        "3": "cupronickel"
      },
      "expansion": "Piecewise doublet of copper-nickel and cupronickel",
      "name": "piecewise doublet"
    }
  ],
  "etymology_text": "Borrowed from German Kupfernickel. Piecewise doublet of copper-nickel and cupronickel.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "kupfernickel (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English piecewise doublets",
        "English terms borrowed from German",
        "English terms derived from German",
        "English terms with archaic senses",
        "English uncountable nouns",
        "Pages with 1 entry"
      ],
      "glosses": [
        "cupronickel"
      ],
      "links": [
        [
          "cupronickel",
          "cupronickel"
        ]
      ],
      "raw_glosses": [
        "(archaic) cupronickel"
      ],
      "tags": [
        "archaic",
        "uncountable"
      ]
    }
  ],
  "word": "kupfernickel"
}