"tétraèdre" meaning in French

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      "name": "lbor"
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  "etymology_text": "Learned borrowing from Ancient Greek τετράεδρον (tetráedron, “triangle-based pyramid”), from τετράεδρος (tetráedros), from τετράς (tetrás, “four”) + ἕδρα (hédra, “seat”).",
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      "form": "tétraèdres",
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  "lang_code": "fr",
  "pos": "noun",
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          "kind": "topical",
          "langcode": "fr",
          "name": "Shapes",
          "orig": "fr:Shapes",
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            "Mathematics",
            "Formal sciences",
            "Sciences",
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        }
      ],
      "glosses": [
        "tetrahedron (polyhedron with four faces)"
      ],
      "id": "en-tétraèdre-fr-noun-JQX~FWEG",
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          "geometry",
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        "(geometry) tetrahedron (polyhedron with four faces)"
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        "geometry",
        "mathematics",
        "sciences"
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      "ipa": "/te.tʁa.ɛdʁ/"
    },
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      "name": "lbor"
    }
  ],
  "etymology_text": "Learned borrowing from Ancient Greek τετράεδρον (tetráedron, “triangle-based pyramid”), from τετράεδρος (tetráedros), from τετράς (tetrás, “four”) + ἕδρα (hédra, “seat”).",
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    {
      "form": "tétraèdres",
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  ],
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  ],
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  "lang_code": "fr",
  "pos": "noun",
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          "tetrahedron",
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        "(geometry) tetrahedron (polyhedron with four faces)"
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        "geometry",
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        "sciences"
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