"12-gon" meaning in English

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      "expansion": "12 + -gon",
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  "etymology_text": "From 12 + -gon.",
  "forms": [
    {
      "form": "12-gons",
      "tags": [
        "plural"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "name": "Polygons",
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Twelve",
          "orig": "en:Twelve",
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      "glosses": [
        "Synonym of dodecagon: A polygon with twelve edges and twelve angles."
      ],
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        [
          "geometry",
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          "dodecagon#English"
        ],
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          "polygon",
          "polygon"
        ],
        [
          "twelve",
          "twelve"
        ],
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          "edge",
          "edge"
        ],
        [
          "angle",
          "angle"
        ]
      ],
      "raw_glosses": [
        "(geometry) Synonym of dodecagon: A polygon with twelve edges and twelve angles."
      ],
      "synonyms": [
        {
          "extra": "A polygon with twelve edges and twelve angles",
          "tags": [
            "synonym",
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          "word": "dodecagon"
        }
      ],
      "topics": [
        "geometry",
        "mathematics",
        "sciences"
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    }
  ],
  "word": "12-gon"
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  ],
  "etymology_text": "From 12 + -gon.",
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    {
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      "glosses": [
        "Synonym of dodecagon: A polygon with twelve edges and twelve angles."
      ],
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          "geometry",
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        ],
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      "raw_glosses": [
        "(geometry) Synonym of dodecagon: A polygon with twelve edges and twelve angles."
      ],
      "synonyms": [
        {
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  "word": "12-gon"
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