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polygon

[pol-ee-gon] /ˈpɒl iˌgɒn/
noun
1.
a figure, especially a closed plane figure, having three or more, usually straight, sides.
Origin of polygon
1560-1570
1560-70; < Latin polygōnum < Greek polýgōnon, noun use of neuter of polýgōnos many-angled. See poly-, -gon
Related forms
polygonal
[puh-lig-uh-nl] /pəˈlɪg ə nl/ (Show IPA),
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for polygon
Historical Examples
• The trace of the walls was a polygon not unlike a capital L.

Georges Perrot
• The Germans do not appear to have penetrated into the polygon Wood at any point.

Otto Schwink
• The view from the polygon monument is desolation on all sides.

Stephen Graham
• There was room there for making every sort of triangle or polygon.

J. Henri Fabre
• For this polygon the other three problems mentioned are not solved.

• It will be understood that an n-side is different from a polygon of n sides.

• It will be noticed that Euclid did not use or define the word "polygon."

David Eugene Smith
• That is, in the second of these figures the shaded portion is not considered a polygon.

David Eugene Smith
• It was only in polygon Wood that they obtained the slightest success.

• You will find that if the radius of the circle be one, the side of the polygon is .264, etc.

British Dictionary definitions for polygon

polygon

/ˈpɒlɪˌɡɒn/
noun
1.
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
Word Origin
C16: via Latin from Greek polugōnon figure with many angles
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for polygon
n.

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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polygon in Science
 polygon   (pŏl'ē-gŏn')    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
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polygon 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
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Difficulty index for polygon

Some English speakers likely know this word

Word Value for polygon

13
16
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