"truth quark" meaning in English

{
  "forms": [
    {
      "form": "truth quarks",
      "tags": [
        "plural"
      ]
    }
  ],
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      "args": {},
      "expansion": "truth quark (plural truth quarks)",
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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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          "kind": "topical",
          "langcode": "en",
          "name": "Physics",
          "orig": "en:Physics",
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            "Sciences",
            "All topics",
            "Fundamental"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Quarks",
          "orig": "en:Quarks",
          "parents": [
            "Fermions",
            "Subatomic particles",
            "Matter",
            "Particle physics",
            "Chemistry",
            "Nature",
            "Physics",
            "Sciences",
            "All topics",
            "Fundamental"
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      ],
      "glosses": [
        "Synonym of top quark."
      ],
      "id": "en-truth_quark-en-noun-cMtn3ZN2",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "top quark",
          "top quark#English"
        ]
      ],
      "raw_glosses": [
        "(physics, dated) Synonym of top quark."
      ],
      "related": [
        {
          "sense": "quarks",
          "word": "quark"
        },
        {
          "word": "up quark"
        },
        {
          "word": "down quark"
        },
        {
          "word": "charm quark"
        },
        {
          "word": "strange quark"
        },
        {
          "word": "top quark"
        },
        {
          "word": "truth quark"
        },
        {
          "word": "bottom quark"
        },
        {
          "word": "beauty quark"
        }
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
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          "word": "top quark"
        }
      ],
      "tags": [
        "dated"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "truth quark",
          "word": "totuus-kvarkki"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "truth quark",
          "tags": [
            "masculine"
          ],
          "word": "quark truth"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "truth quark",
          "tags": [
            "masculine"
          ],
          "word": "quark vérité"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "ístinnyj kvark",
          "sense": "truth quark",
          "tags": [
            "masculine"
          ],
          "word": "и́стинный кварк"
        }
      ]
    }
  ],
  "word": "truth quark"
}

{
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      "form": "truth quarks",
      "tags": [
        "plural"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "sense": "quarks",
      "word": "quark"
    },
    {
      "word": "up quark"
    },
    {
      "word": "down quark"
    },
    {
      "word": "charm quark"
    },
    {
      "word": "strange quark"
    },
    {
      "word": "top quark"
    },
    {
      "word": "truth quark"
    },
    {
      "word": "bottom quark"
    },
    {
      "word": "beauty quark"
    }
  ],
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        "English dated terms",
        "English entries with incorrect language header",
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        "English multiword terms",
        "English nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
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        "Terms with French translations",
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        "en:Physics",
        "en:Quarks"
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      "glosses": [
        "Synonym of top quark."
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "top quark",
          "top quark#English"
        ]
      ],
      "raw_glosses": [
        "(physics, dated) Synonym of top quark."
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "top quark"
        }
      ],
      "tags": [
        "dated"
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      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
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  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "truth quark",
      "word": "totuus-kvarkki"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "truth quark",
      "tags": [
        "masculine"
      ],
      "word": "quark truth"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "truth quark",
      "tags": [
        "masculine"
      ],
      "word": "quark vérité"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "ístinnyj kvark",
      "sense": "truth quark",
      "tags": [
        "masculine"
      ],
      "word": "и́стинный кварк"
    }
  ],
  "word": "truth quark"
}