"Dirac string" meaning in English

{
  "etymology_text": "Named after the physicist Paul Dirac, who conceived the idea.",
  "forms": [
    {
      "form": "Dirac strings",
      "tags": [
        "plural"
      ]
    }
  ],
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      "expansion": "Dirac string (plural Dirac strings)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "kind": "other",
          "name": "English entries with incorrect language header",
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          "orig": "en:Physics",
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      ],
      "glosses": [
        "A hypothetical one-dimensional curve in space, stretching between two Dirac magnetic monopoles with opposite magnetic charges, or from one magnetic monopole out to infinity."
      ],
      "id": "en-Dirac_string-en-noun-bPIeApns",
      "links": [
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          "physics",
          "physics"
        ],
        [
          "hypothetical",
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        ],
        [
          "one-dimensional",
          "one-dimensional"
        ],
        [
          "curve",
          "curve"
        ],
        [
          "space",
          "space"
        ]
      ],
      "raw_glosses": [
        "(physics) A hypothetical one-dimensional curve in space, stretching between two Dirac magnetic monopoles with opposite magnetic charges, or from one magnetic monopole out to infinity."
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "Dirac string",
        "Paul Dirac"
      ]
    }
  ],
  "word": "Dirac string"
}

{
  "etymology_text": "Named after the physicist Paul Dirac, who conceived the idea.",
  "forms": [
    {
      "form": "Dirac strings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Dirac string (plural Dirac strings)",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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    {
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        "English countable nouns",
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      ],
      "glosses": [
        "A hypothetical one-dimensional curve in space, stretching between two Dirac magnetic monopoles with opposite magnetic charges, or from one magnetic monopole out to infinity."
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
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          "hypothetical"
        ],
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          "one-dimensional"
        ],
        [
          "curve",
          "curve"
        ],
        [
          "space",
          "space"
        ]
      ],
      "raw_glosses": [
        "(physics) A hypothetical one-dimensional curve in space, stretching between two Dirac magnetic monopoles with opposite magnetic charges, or from one magnetic monopole out to infinity."
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "Dirac string",
        "Paul Dirac"
      ]
    }
  ],
  "word": "Dirac string"
}