9 Grammatical Pitfalls

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. 2015.
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Examples from the web for polygonal
• In transverse section, they usually occur as polygonal cells and lignified walls.
British Dictionary definitions for polygonal

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 polygonal

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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polygonal 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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polygonal 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

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Word Value for polygonal

0
19
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