- a figure, especially a closed plane figure, having three or more, usually straight, sides.
Origin of polygon
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for polygonal
In third person, you are a camera that can control a polygonal character, but you are not that character.
In a third person games you just control a polygonal character.
As a rule the apses are circular within and polygonal without.Byzantine Churches in Constantinople
Alexander Van Millingen
He also wrote a book On Polygonal Numbers of which only a fragment survives.The Legacy of Greece
If polygonal, the leaves were arranged on it in a spiral order, as in the elm or oak.On the Old Road, Vol. 2 (of 2)
The noon sunlight sheeted with gold the bronze flanks of the polygonal yews.The Reef
Shell thin walled, with irregular, polygonal pores, twice to four times as broad as the bars; six to eight on the radius.
- a closed plane figure bounded by three or more straight sides that meet in pairs in the same number of vertices, and do not intersect other than at these vertices. The sum of the interior angles is (n –2) × 180° for n sides; the sum of the exterior angles is 360°. A regular polygon has all its sides and angles equal. Specific polygons are named according to the number of sides, such as triangle, pentagon, etc
C16: via Latin from Greek polugōnon figure with many angles
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for polygonal
Online Etymology Dictionary, © 2010 Douglas Harper
- A closed plane figure having three or more sides. Triangles, rectangles, and octagons are all examples of polygons.♦ A regular polygon is a polygon all of whose sides are the same length and all of whose interior angles are the same measure.
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