"fifth force" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "langcode": "en",
          "name": "Physics",
          "orig": "en:Physics",
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            "Sciences",
            "All topics",
            "Fundamental"
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      "examples": [
        {
          "ref": "2023 August 11, Nicola Davis, “Scientists may be on brink of discovering fifth force of nature”, in The Guardian:",
          "text": "The tantalising theory that a fifth force of nature could exist has been given a boost thanks to unexpected wobbling by a subatomic particle, physicists have revealed. […] Dr Mitesh Patel, from Imperial College London, said: “We’re talking about a fifth force because we can’t necessarily explain the behaviour [in these experiments] with the four we know about.”",
          "type": "quote"
        }
      ],
      "glosses": [
        "A hypothetical fundamental force, distinct from gravity, electromagnetism, and the strong force and weak force, proposed to explain various anomalous observations that do not fit existing theories."
      ],
      "id": "en-fifth_force-en-noun-Y1SkAr3F",
      "links": [
        [
          "physics",
          "physics"
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        [
          "hypothetical",
          "hypothetical"
        ],
        [
          "fundamental force",
          "fundamental force"
        ],
        [
          "gravity",
          "gravity"
        ],
        [
          "electromagnetism",
          "electromagnetism"
        ],
        [
          "strong force",
          "strong force"
        ],
        [
          "weak force",
          "weak force"
        ]
      ],
      "raw_glosses": [
        "(physics) A hypothetical fundamental force, distinct from gravity, electromagnetism, and the strong force and weak force, proposed to explain various anomalous observations that do not fit existing theories."
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "fifth force"
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        "en:Physics"
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        {
          "ref": "2023 August 11, Nicola Davis, “Scientists may be on brink of discovering fifth force of nature”, in The Guardian:",
          "text": "The tantalising theory that a fifth force of nature could exist has been given a boost thanks to unexpected wobbling by a subatomic particle, physicists have revealed. […] Dr Mitesh Patel, from Imperial College London, said: “We’re talking about a fifth force because we can’t necessarily explain the behaviour [in these experiments] with the four we know about.”",
          "type": "quote"
        }
      ],
      "glosses": [
        "A hypothetical fundamental force, distinct from gravity, electromagnetism, and the strong force and weak force, proposed to explain various anomalous observations that do not fit existing theories."
      ],
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          "physics",
          "physics"
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          "hypothetical",
          "hypothetical"
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          "fundamental force",
          "fundamental force"
        ],
        [
          "gravity",
          "gravity"
        ],
        [
          "electromagnetism",
          "electromagnetism"
        ],
        [
          "strong force",
          "strong force"
        ],
        [
          "weak force",
          "weak force"
        ]
      ],
      "raw_glosses": [
        "(physics) A hypothetical fundamental force, distinct from gravity, electromagnetism, and the strong force and weak force, proposed to explain various anomalous observations that do not fit existing theories."
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
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  "word": "fifth force"
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