"radial curve" meaning in English

{
  "forms": [
    {
      "form": "radial curves",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "radial curve (plural radial curves)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Curves",
          "orig": "en:Curves",
          "parents": [
            "Shapes",
            "Geometry",
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
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          "source": "w"
        },
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          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
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          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "glosses": [
        "Any of a family of curves that are the loci of points that have a defined relationship between a fixed point and the centre of curvature at each point on another curve"
      ],
      "id": "en-radial_curve-en-noun-Ia8SO76L",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "loci",
          "locus"
        ],
        [
          "fixed point",
          "fixed point"
        ],
        [
          "centre of curvature",
          "centre of curvature"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Any of a family of curves that are the loci of points that have a defined relationship between a fixed point and the centre of curvature at each point on another curve"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "radial curve"
}

{
  "forms": [
    {
      "form": "radial curves",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "radial curve (plural radial curves)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Curves",
        "en:Mathematics"
      ],
      "glosses": [
        "Any of a family of curves that are the loci of points that have a defined relationship between a fixed point and the centre of curvature at each point on another curve"
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "loci",
          "locus"
        ],
        [
          "fixed point",
          "fixed point"
        ],
        [
          "centre of curvature",
          "centre of curvature"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Any of a family of curves that are the loci of points that have a defined relationship between a fixed point and the centre of curvature at each point on another curve"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "radial curve"
}