"Hopf link" meaning in English

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        "2": "Hopf",
        "3": "link"
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      "expansion": "Hopf + link",
      "name": "compound"
    }
  ],
  "etymology_text": "Hopf + link From being an interlinkage named after Heinz Hopf",
  "forms": [
    {
      "form": "Hopf links",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Hopf link (plural Hopf links)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "source": "w"
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Topology",
          "orig": "en:Topology",
          "parents": [
            "Mathematics",
            "Formal sciences",
            "Sciences",
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            "Fundamental"
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          "source": "w"
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      ],
      "glosses": [
        "The simplest interlinkage of two loops; two interlinked rings."
      ],
      "id": "en-Hopf_link-en-noun-DhwRHvYO",
      "links": [
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          "topology",
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      "raw_glosses": [
        "(topology) The simplest interlinkage of two loops; two interlinked rings."
      ],
      "topics": [
        "mathematics",
        "sciences",
        "topology"
      ],
      "wikipedia": [
        "en:Heinz Hopf",
        "en:Hopf link"
      ]
    }
  ],
  "word": "Hopf link"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "Hopf",
        "3": "link"
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      "expansion": "Hopf + link",
      "name": "compound"
    }
  ],
  "etymology_text": "Hopf + link From being an interlinkage named after Heinz Hopf",
  "forms": [
    {
      "form": "Hopf links",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Hopf link (plural Hopf links)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "The simplest interlinkage of two loops; two interlinked rings."
      ],
      "links": [
        [
          "topology",
          "topology"
        ]
      ],
      "raw_glosses": [
        "(topology) The simplest interlinkage of two loops; two interlinked rings."
      ],
      "topics": [
        "mathematics",
        "sciences",
        "topology"
      ],
      "wikipedia": [
        "en:Heinz Hopf",
        "en:Hopf link"
      ]
    }
  ],
  "word": "Hopf link"
}