"excircle" meaning in English

See excircle in All languages combined, or Wiktionary

Noun

Forms: excircles [plural]
Etymology: From ex- + circle. Etymology templates: {{prefix|en|ex|circle}} ex- + circle Head templates: {{en-noun}} excircle (plural excircles)
  1. (geometry) An escribed circle; a circle outside a polygon (especially a triangle, but also sometimes a quadrilateral) that is tangent to each of the lines on which the sides of the polygon lie. Categories (topical): Geometry Related terms: excentre, excenter, incircle, ex-tangential Translations (escribed circle): viereen piirretty ympyrä (Finnish), vierusympyrä (Finnish), cercle exinscrit [masculine] (French), 傍接円 (bōsetsuen) (Japanese), 방접원 (bangjeobwon) (Korean), círculo exinscrito [masculine] (Portuguese), utvändig tangeringscirkel [common-gender] (Swedish), đường tròn bàng tiếp (Vietnamese)

Inflected forms

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      "expansion": "ex- + circle",
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  "etymology_text": "From ex- + circle.",
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          "parents": [],
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      "examples": [
        {
          "ref": "1979, Dan Pedoe, Circles: A Mathematical View, published 1995, page 10:",
          "text": "Also since the circle of inversion cuts both excircles orthogonally, each excircle inverts into itself.",
          "type": "quote"
        },
        {
          "ref": "1999, Art Johnson, Famous Problems and Their Mathematicians, Teacher Ideas Press, page 174:",
          "text": "Extend the sides of triangle QRS and construct the three excircles: One excircle is tangent to side QR and rays SQ and SR; one excircle is tangent to side SR and rays QS and QR; and one excircle is tangent to side SQ and rays RS and RQ.",
          "type": "quote"
        },
        {
          "ref": "2016, Evan Chen, Euclidean Geometry in Mathematical Olympiads, page 61:",
          "text": "Lemma 4.9 (The Diameter of the Incircle). Let ABC be a triangle whose incircle is tangent to #x5C;overline#x7B;BC#x7D; at D. If #x5C;overline#x7B;DE#x7D; is a diameter of the incircle and ray AE meets #x5C;overline#x7B;BC#x7D; at X, then BD#x3D;CX and X is the tangency point of the A-excircle to #x5C;overline#x7B;BC#x7D;.\nIncircles and excircles often have dual properties.",
          "type": "quote"
        }
      ],
      "glosses": [
        "An escribed circle; a circle outside a polygon (especially a triangle, but also sometimes a quadrilateral) that is tangent to each of the lines on which the sides of the polygon lie."
      ],
      "id": "en-excircle-en-noun-dZBY6Kaq",
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          "escribe",
          "escribe"
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          "circle"
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        [
          "polygon",
          "polygon"
        ],
        [
          "triangle",
          "triangle"
        ],
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          "quadrilateral",
          "quadrilateral"
        ],
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          "tangent",
          "tangent"
        ],
        [
          "line",
          "line"
        ],
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          "side",
          "side"
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        "(geometry) An escribed circle; a circle outside a polygon (especially a triangle, but also sometimes a quadrilateral) that is tangent to each of the lines on which the sides of the polygon lie."
      ],
      "related": [
        {
          "word": "excentre"
        },
        {
          "word": "excenter"
        },
        {
          "word": "incircle"
        },
        {
          "word": "ex-tangential"
        }
      ],
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        "geometry",
        "mathematics",
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      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "escribed circle",
          "word": "viereen piirretty ympyrä"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "escribed circle",
          "word": "vierusympyrä"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "escribed circle",
          "tags": [
            "masculine"
          ],
          "word": "cercle exinscrit"
        },
        {
          "code": "ja",
          "lang": "Japanese",
          "roman": "bōsetsuen",
          "sense": "escribed circle",
          "word": "傍接円"
        },
        {
          "code": "ko",
          "lang": "Korean",
          "roman": "bangjeobwon",
          "sense": "escribed circle",
          "word": "방접원"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "escribed circle",
          "tags": [
            "masculine"
          ],
          "word": "círculo exinscrito"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "escribed circle",
          "tags": [
            "common-gender"
          ],
          "word": "utvändig tangeringscirkel"
        },
        {
          "code": "vi",
          "lang": "Vietnamese",
          "sense": "escribed circle",
          "word": "đường tròn bàng tiếp"
        }
      ]
    }
  ],
  "word": "excircle"
}
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    {
      "word": "excentre"
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    {
      "word": "excenter"
    },
    {
      "word": "incircle"
    },
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      "word": "ex-tangential"
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        {
          "ref": "1999, Art Johnson, Famous Problems and Their Mathematicians, Teacher Ideas Press, page 174:",
          "text": "Extend the sides of triangle QRS and construct the three excircles: One excircle is tangent to side QR and rays SQ and SR; one excircle is tangent to side SR and rays QS and QR; and one excircle is tangent to side SQ and rays RS and RQ.",
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          "ref": "2016, Evan Chen, Euclidean Geometry in Mathematical Olympiads, page 61:",
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        "(geometry) An escribed circle; a circle outside a polygon (especially a triangle, but also sometimes a quadrilateral) that is tangent to each of the lines on which the sides of the polygon lie."
      ],
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        "geometry",
        "mathematics",
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  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "escribed circle",
      "word": "viereen piirretty ympyrä"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "escribed circle",
      "word": "vierusympyrä"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "escribed circle",
      "tags": [
        "masculine"
      ],
      "word": "cercle exinscrit"
    },
    {
      "code": "ja",
      "lang": "Japanese",
      "roman": "bōsetsuen",
      "sense": "escribed circle",
      "word": "傍接円"
    },
    {
      "code": "ko",
      "lang": "Korean",
      "roman": "bangjeobwon",
      "sense": "escribed circle",
      "word": "방접원"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "escribed circle",
      "tags": [
        "masculine"
      ],
      "word": "círculo exinscrito"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "escribed circle",
      "tags": [
        "common-gender"
      ],
      "word": "utvändig tangeringscirkel"
    },
    {
      "code": "vi",
      "lang": "Vietnamese",
      "sense": "escribed circle",
      "word": "đường tròn bàng tiếp"
    }
  ],
  "word": "excircle"
}

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This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-11-06 from the enwiktionary dump dated 2024-10-02 using wiktextract (fbeafe8 and 7f03c9b). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.