"antigraviton" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "anti",
        "3": "graviton"
      },
      "expansion": "anti- + graviton",
      "name": "prefix"
    }
  ],
  "etymology_text": "From anti- + graviton.",
  "forms": [
    {
      "form": "antigravitons",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "antigraviton (plural antigravitons)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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            "Fundamental"
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          "source": "w"
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      ],
      "glosses": [
        "The hypothetical antipartner of a graviton."
      ],
      "id": "en-antigraviton-en-noun-elPvjUEN",
      "links": [
        [
          "science fiction",
          "science fiction"
        ],
        [
          "hypothetical",
          "hypothetical"
        ],
        [
          "antipartner",
          "antipartner"
        ],
        [
          "graviton",
          "graviton"
        ]
      ],
      "raw_glosses": [
        "(chiefly science fiction) The hypothetical antipartner of a graviton."
      ],
      "topics": [
        "literature",
        "media",
        "publishing",
        "science-fiction"
      ]
    }
  ],
  "word": "antigraviton"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "anti",
        "3": "graviton"
      },
      "expansion": "anti- + graviton",
      "name": "prefix"
    }
  ],
  "etymology_text": "From anti- + graviton.",
  "forms": [
    {
      "form": "antigravitons",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "antigraviton (plural antigravitons)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "The hypothetical antipartner of a graviton."
      ],
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        [
          "hypothetical",
          "hypothetical"
        ],
        [
          "antipartner",
          "antipartner"
        ],
        [
          "graviton",
          "graviton"
        ]
      ],
      "raw_glosses": [
        "(chiefly science fiction) The hypothetical antipartner of a graviton."
      ],
      "topics": [
        "literature",
        "media",
        "publishing",
        "science-fiction"
      ]
    }
  ],
  "word": "antigraviton"
}