"spin foam" meaning in English

{
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      "form": "spin foams",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "A topological structure made out of two-dimensional faces that represents one of the configurations that must be summed to obtain a Feynman's path integral description of quantum gravity."
      ],
      "id": "en-spin_foam-en-noun-9z0P0pvj",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "topological",
          "topological"
        ],
        [
          "structure",
          "structure"
        ],
        [
          "two-dimensional",
          "two-dimensional"
        ],
        [
          "face",
          "face"
        ],
        [
          "configuration",
          "configuration"
        ],
        [
          "sum",
          "sum"
        ],
        [
          "Feynman's path integral",
          "Feynman's path integral"
        ],
        [
          "quantum gravity",
          "quantum gravity"
        ]
      ],
      "raw_glosses": [
        "(physics) A topological structure made out of two-dimensional faces that represents one of the configurations that must be summed to obtain a Feynman's path integral description of quantum gravity."
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
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      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "topological structure",
          "tags": [
            "feminine"
          ],
          "word": "mousse de spin"
        }
      ],
      "wikipedia": [
        "spin foam"
      ]
    }
  ],
  "word": "spin foam"
}

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  "forms": [
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "A topological structure made out of two-dimensional faces that represents one of the configurations that must be summed to obtain a Feynman's path integral description of quantum gravity."
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "topological",
          "topological"
        ],
        [
          "structure",
          "structure"
        ],
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          "two-dimensional",
          "two-dimensional"
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          "face",
          "face"
        ],
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          "configuration",
          "configuration"
        ],
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          "sum",
          "sum"
        ],
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          "Feynman's path integral",
          "Feynman's path integral"
        ],
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          "quantum gravity",
          "quantum gravity"
        ]
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        "(physics) A topological structure made out of two-dimensional faces that represents one of the configurations that must be summed to obtain a Feynman's path integral description of quantum gravity."
      ],
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        "countable",
        "uncountable"
      ],
      "topics": [
        "natural-sciences",
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        "physics"
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      "wikipedia": [
        "spin foam"
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  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "topological structure",
      "tags": [
        "feminine"
      ],
      "word": "mousse de spin"
    }
  ],
  "word": "spin foam"
}