"constantan" meaning in English

{
  "forms": [
    {
      "form": "constantans",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "constantan (countable and uncountable, plural constantans)",
      "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"
        },
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          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
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          "name": "Pages with 3 entries",
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        },
        {
          "kind": "other",
          "name": "Terms with Italian translations",
          "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": "Copper",
          "orig": "en:Copper",
          "parents": [
            "Transition metals",
            "Chemical elements",
            "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": [
        "An alloy of copper and nickel whose resistivity is constant over a wide temperature range."
      ],
      "id": "en-constantan-en-noun-TaVMn4Ix",
      "links": [
        [
          "alloy",
          "alloy"
        ],
        [
          "copper",
          "copper"
        ],
        [
          "nickel",
          "nickel"
        ],
        [
          "resistivity",
          "resistivity"
        ],
        [
          "constant",
          "constant"
        ],
        [
          "temperature",
          "temperature"
        ]
      ],
      "synonyms": [
        {
          "word": "eureka"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "translations": [
        {
          "code": "it",
          "lang": "Italian",
          "sense": "alloy of copper and nickel",
          "tags": [
            "feminine"
          ],
          "word": "costantana"
        }
      ],
      "wikipedia": [
        "constantan"
      ]
    }
  ],
  "word": "constantan"
}

{
  "forms": [
    {
      "form": "constantans",
      "tags": [
        "plural"
      ]
    }
  ],
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    {
      "args": {
        "1": "~"
      },
      "expansion": "constantan (countable and uncountable, plural constantans)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English uncountable nouns",
        "Entries with translation boxes",
        "Pages with 3 entries",
        "Pages with entries",
        "Terms with Italian translations",
        "en:Alloys",
        "en:Copper",
        "en:Nickel"
      ],
      "glosses": [
        "An alloy of copper and nickel whose resistivity is constant over a wide temperature range."
      ],
      "links": [
        [
          "alloy",
          "alloy"
        ],
        [
          "copper",
          "copper"
        ],
        [
          "nickel",
          "nickel"
        ],
        [
          "resistivity",
          "resistivity"
        ],
        [
          "constant",
          "constant"
        ],
        [
          "temperature",
          "temperature"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "wikipedia": [
        "constantan"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "eureka"
    }
  ],
  "translations": [
    {
      "code": "it",
      "lang": "Italian",
      "sense": "alloy of copper and nickel",
      "tags": [
        "feminine"
      ],
      "word": "costantana"
    }
  ],
  "word": "constantan"
}