"Casimir force" meaning in English

{
  "etymology_text": "After Hendrik Casimir, Dutch physicist.",
  "forms": [
    {
      "form": "Casimir forces",
      "tags": [
        "plural"
      ]
    }
  ],
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      "args": {},
      "expansion": "Casimir force (plural Casimir forces)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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      ],
      "glosses": [
        "A physical force of attraction between very closely separated objects, due to random quantum fluctuations of the electromagnetic field in a vacuum; it is inversely proportional to the fourth power of the distance of separation"
      ],
      "id": "en-Casimir_force-en-noun-fgdKMYxa",
      "links": [
        [
          "physical",
          "physical"
        ],
        [
          "attraction",
          "attraction"
        ],
        [
          "random",
          "random"
        ],
        [
          "quantum",
          "quantum"
        ],
        [
          "fluctuation",
          "fluctuation"
        ],
        [
          "electromagnetic field",
          "electromagnetic field"
        ],
        [
          "vacuum",
          "vacuum"
        ],
        [
          "inversely proportional",
          "inversely proportional"
        ]
      ],
      "raw_glosses": [
        "(quantum field theory) A physical force of attraction between very closely separated objects, due to random quantum fluctuations of the electromagnetic field in a vacuum; it is inversely proportional to the fourth power of the distance of separation"
      ],
      "synonyms": [
        {
          "word": "Casimir effect"
        }
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics",
        "quantum-field-theory"
      ],
      "translations": [
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "a physical force of attraction between very closely separated objects",
          "tags": [
            "feminine"
          ],
          "word": "força Casimir"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "a physical force of attraction between very closely separated objects",
          "tags": [
            "feminine"
          ],
          "word": "força de Casimir"
        }
      ],
      "wikipedia": [
        "Casimir force",
        "Hendrik Casimir"
      ]
    }
  ],
  "word": "Casimir force"
}

{
  "etymology_text": "After Hendrik Casimir, Dutch physicist.",
  "forms": [
    {
      "form": "Casimir forces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Casimir force (plural Casimir forces)",
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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 physical force of attraction between very closely separated objects, due to random quantum fluctuations of the electromagnetic field in a vacuum; it is inversely proportional to the fourth power of the distance of separation"
      ],
      "links": [
        [
          "physical",
          "physical"
        ],
        [
          "attraction",
          "attraction"
        ],
        [
          "random",
          "random"
        ],
        [
          "quantum",
          "quantum"
        ],
        [
          "fluctuation",
          "fluctuation"
        ],
        [
          "electromagnetic field",
          "electromagnetic field"
        ],
        [
          "vacuum",
          "vacuum"
        ],
        [
          "inversely proportional",
          "inversely proportional"
        ]
      ],
      "raw_glosses": [
        "(quantum field theory) A physical force of attraction between very closely separated objects, due to random quantum fluctuations of the electromagnetic field in a vacuum; it is inversely proportional to the fourth power of the distance of separation"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics",
        "quantum-field-theory"
      ],
      "wikipedia": [
        "Casimir force",
        "Hendrik Casimir"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "Casimir effect"
    }
  ],
  "translations": [
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "a physical force of attraction between very closely separated objects",
      "tags": [
        "feminine"
      ],
      "word": "força Casimir"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "a physical force of attraction between very closely separated objects",
      "tags": [
        "feminine"
      ],
      "word": "força de Casimir"
    }
  ],
  "word": "Casimir force"
}