Illustration of decagon
Examples of decagon in a Sentence
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Their atoms arrange themselves into chains of pentagons, decagons and other shapes to form patterns that never quite repeat.
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Patchen Barss, Quanta Magazine, 18 Aug. 2025
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Patchen Barss, Quanta Magazine, 18 Aug. 2025
Cite this Entry
“Decagon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/decagon. Accessed 30 Sep. 2025.
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decagon
noun
deca·gon
ˈdek-ə-ˌgän 
: a polygon of 10 angles and 10 sides
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