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[pol-ee-gon] /ˈpɒl iˌgɒn/
a figure, especially a closed plane figure, having three or more, usually straight, sides.
1560-70; < Latin polygōnum < Greek polýgōnon, noun use of neuter of polýgōnos many-angled. See poly-, -gon
Related forms
[puh-lig-uh-nl] /pəˈlɪg ə nl/ (Show IPA),
polygonally, adverb
subpolygonal, adjective
subpolygonally, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for polygons
  • Turquoise and red dyes are still visible inside grooved diamonds and polygons that decorate the cover.
  • Some polygons are lower in the center and have a pond in the middle.
  • Snow-covered ice lifted up from the creek bed in a strange geometry of white polygons.
  • The wet coastal plain is formed into large polygons that resemble moon craters.
  • Phoenix landed on the edge of one of these polygons.
  • Several different polygons will be placed in brown paper bags.
  • If multiple polygons are selected, you will get aggregated values for the output graph or table.
  • Allows the user to calculate the area, perimeter, and acreage of polygons.
  • These different types of polygons are seen in various traffic signs.
  • The following figures present the individual topographic change polygons that are top ranked in terms of one or more parameters.
British Dictionary definitions for polygons


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
Derived Forms
polygonal (pəˈlɪɡənəl) adjective
polygonally, adverb
Word Origin
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
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Word Origin and History for polygons



1570s, from Latin polygonum, from Greek polygonon, noun use of neuter of adjective polygonos "many-angled," from polys "many" (see poly-) + -gonos "angled," from gonia "angle" (see knee (n.)). Related: Polygonal.

Online Etymology Dictionary, © 2010 Douglas Harper
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polygons in Science
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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polygons in Culture

polygon definition

In geometry, a closed figure having three or more sides and lying on one plane.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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