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Synonyms

decagon

American  
[dek-uh-gon, -guhn] / ˈdɛk əˌgɒn, -gən /

noun

Geometry.
  1. a polygon having ten angles and ten sides.


decagon British  
/ dɪˈkæɡənəl, ˈdɛkəˌɡɒn /

noun

  1. a polygon having ten sides

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

decagon Scientific  
/ dĕkə-gŏn′ /
  1. A polygon having ten sides.


Other Word Forms

  • decagonal adjective
  • decagonally adverb

Etymology

Origin of decagon

From the Medieval Latin word decagōnum, dating back to 1565–75. See deca-, -gon

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Tape 10 short struts to the triangle tops, making another decagon.

From New York Times

Most of the list came from the state eighth grade curriculum: barometer, decagon, perpendicular .

From Literature

The purpose of this problem is to prepare for the construction of the regular decagon and pentagon.

From Project Gutenberg

Just looking at Penrose's pattern, one sees plenty of pentagons and decagons.

From Science Magazine

To construct a regular pentagon, we find it convenient first to construct a regular decagon.

From Project Gutenberg