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DODECAGON

 - 2 dictionary results

do⋅dec⋅a⋅gon

  [doh-dek-uh-gon, -guhn]
–noun Geometry.
a polygon having 12 angles and 12 sides.
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Also, duodecagon.

Origin:
1650–60; dodeca- + -gon

Related forms:
do⋅de⋅cag⋅o⋅nal  [doh-de-kag-uh-nl] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2010.
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do·dec·a·gon   (dō-děk'ə-gŏn')   


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n.  A polygon with 12 sides.

[Greek dōdekagōnon : dōdeka, twelve (duo, two; see dwo- in Indo-European roots + deka, ten; see dek in Indo-European roots) + -gōnon, -gon.]
do'de·cag'o·nal (dō'dě-kāg'ə-nəl) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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