"deltahedron" meaning in English

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        "3": "-hedron",
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      "expansion": "delta (Greek letter) + -hedron",
      "name": "affix"
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  ],
  "etymology_text": "From delta (Greek letter) + -hedron referring to the triangular shape of the letter.",
  "forms": [
    {
      "form": "deltahedrons",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "deltahedra",
      "tags": [
        "plural"
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      "expansion": "deltahedron (plural deltahedrons or deltahedra)",
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  "lang_code": "en",
  "pos": "noun",
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Polyhedra",
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            "Shapes",
            "Geometry",
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        }
      ],
      "examples": [
        {
          "text": "There are infinitely many deltahedra, but only eight that are convex.",
          "type": "example"
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      ],
      "glosses": [
        "A polyhedron whose faces are all equilateral triangles."
      ],
      "id": "en-deltahedron-en-noun-qI~NGK8i",
      "links": [
        [
          "geometry",
          "geometry"
        ],
        [
          "polyhedron",
          "polyhedron"
        ],
        [
          "face",
          "face"
        ],
        [
          "equilateral triangle",
          "equilateral triangle"
        ]
      ],
      "raw_glosses": [
        "(geometry) A polyhedron whose faces are all equilateral triangles."
      ],
      "related": [
        {
          "word": "deltahedral"
        }
      ],
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        "geometry",
        "mathematics",
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      "wikipedia": [
        "deltahedron"
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  "word": "deltahedron"
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      "expansion": "delta (Greek letter) + -hedron",
      "name": "affix"
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  ],
  "etymology_text": "From delta (Greek letter) + -hedron referring to the triangular shape of the letter.",
  "forms": [
    {
      "form": "deltahedrons",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "deltahedra",
      "tags": [
        "plural"
      ]
    }
  ],
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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    {
      "word": "deltahedral"
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          "text": "There are infinitely many deltahedra, but only eight that are convex.",
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      ],
      "glosses": [
        "A polyhedron whose faces are all equilateral triangles."
      ],
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        [
          "geometry",
          "geometry"
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        [
          "polyhedron",
          "polyhedron"
        ],
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          "face",
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          "equilateral triangle",
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        "(geometry) A polyhedron whose faces are all equilateral triangles."
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