Word.ws English Dictionary

excircles

excircles is the plural of excircle.

Meaning of excircle

Noun

excircle (plural excircles)

  1. 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.
    • Also since the circle of inversion cuts both excircles orthogonally, each excircle inverts into itself.1979, Dan Pedoe, Circles: A Mathematical View, published 1995, page 10

Questions about excircles

What is excircles the plural of?
Excircles is the plural of excircle.

Words near excircles in the dictionary

  1. excipule
  2. excipules
  3. excipuliform
  4. excipulum
  5. excircle
  6. excircles
  7. excisability
  8. excisable
  9. excisanin
  10. excisase
  11. excisases

Source and license

Adapted from Wiktionary: excircles (page history and authors); excircle (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “excircles.” Word.ws, https://word.ws/excircles. Based on Wiktionary, CC BY-SA 4.0.