nonagon
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non·a·gon
(nŏn′ə-gŏn′, nō′nə-)n.
A polygon with nine sides and nine angles.
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.
nonagon
(ˈnɒnəˌɡɒn)n
(Mathematics) a polygon having nine sides. Also called: enneagon
nonagonal adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
non•a•gon
(ˈnɒn əˌgɒn)n.
a polygon having nine angles and nine sides.
non•ag′o•nal (-ˈæg ə nl) adj.
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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| Noun | 1. |  nonagon - a nine-sided polygon polygon, polygonal shape - a closed plane figure bounded by straight sides |
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Translations
nonagon
n → Neuneck nt, → Nonagon nt
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