octagon

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octagon

oc·ta·gon

 (ŏk′tə-gŏn′)
n.
A polygon with eight sides and eight angles.

[Latin octagōnon, from Greek oktagōnon, from neuter of oktagōnos, octagonal : okta-, octo- + -gōnos, angled; see -gon.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

octagon

(ˈɒktəɡən) or less commonly

octangle

n
(Mathematics) a polygon having eight sides
[C17: via Latin from Greek oktagōnos, having eight angles]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

oc•ta•gon

(ˈɒk təˌgɒn, -gən)

n.
a polygon having eight angles and eight sides.
[1650–60; < Latin < Greek oktágōnos having eight angles]
oc•tag′o•nal (-ˈtæg ə nl) adj.
oc•tag′o•nal•ly, adv.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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octagon

oc·ta·gon

(ŏk′tə-gŏn′)
A polygon having eight sides.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.octagon - an eight-sided polygonoctagon - an eight-sided polygon    
polygon, polygonal shape - a closed plane figure bounded by straight sides
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
مُثَمَّن الأضْلاع
oktagonottekant
nyolcszög
átthyrningur
aštuonkampis
astoņstūris
osemuholník
sekizgen

octagon

[ˈɒktəgən] Noctágono m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

octagon

[ˈɒktəgən] noctogone m
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

octagon

nAchteck nt, → Oktogon nt, → Oktagon nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

octagon

[ˈɒktəgən] nottagono
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

octagon

(ˈoktəgən) , ((American) -gon) noun
two-dimensional figure with eight sides.
octagonal (okˈtӕgənl) adjective
having eight sides. an octagonal figure.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.
References in classic literature ?
The Octagon Room in Sir Robert Chiltern's House in GrosvenorSquare.
Sir Walter, his two daughters, and Mrs Clay, were the earliest of all their party at the rooms in the evening; and as Lady Dalrymple must be waited for, they took their station by one of the fires in the Octagon Room.
The difference between his present air and what it had been in the Octagon Room was strikingly great.
I caught a glimpse of the octagon minarets of this town, which was at one time the richest commercial magazine on the coast.
The time of the two parties uniting in the Octagon Room being correctly adjusted, Catherine was then left to the luxury of a raised, restless, and frightened imagination over the pages of Udolpho, lost from all worldly concerns of dressing and dinner, incapable of soothing Mrs.
The cupola is an octagon, with several windows, and a door opening upon the roof.
A broad shaft of morning light poured through the open doorway in the ceiling of the room which was about thirty feet square, or roughly square, being irregular in shape, one side curving outward, another being indented by what might have been the corner of another building jutting into it, another alcoved by three sides of an octagon, while the fourth was serpentine in contour.
Earthen enclosures in the shapes of circular rings with entryways facing east, squares with rounded corners and entryways, octagons with eight entrances, long passageways bordered by smooth earthen walls, conical mounds, low walls bordering large areas, and huge flat-topped rectangular burial mounds were placed along rivers, creeks, and natural land formations, with earthworks traversing the landscape for miles.
Junctions in such systems are usually realized by introducing pentagon/heptagon (5/7) topological defects at interfaces between the nanotubes, although other proposals involving different kinds of defects, such as octagons, have also been made [12].
Interestingly, two more octagons can be found in nearby Templeton, both near East Templeton Center.
Taco Stand, 2000, stands in strange, funky relation to any actual taco stand: An orange styrofoam cooler decorated with amoebic forms made of blue paper rests on reflective film near a kind of skeletal screen or room divider hung with a couple of foam octagons. The reflection on the film presents an imaginary, represented space that can be seen but not entered; the screen or divider folds and separates the actual space in the gallery but remains transparent.