Illustration of decagon
Examples of decagon in a Sentence
Recent Examples on the Web
Their atoms arrange themselves into chains of pentagons, decagons and other shapes to form patterns that never quite repeat.
—
Patchen Barss, Quanta Magazine, 18 Aug. 2025
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
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 16 Sep. 2025.
Copy CitationKids Definition
decagon
noun
deca·gon
ˈdek-ə-ˌgän 
: a polygon of 10 angles and 10 sides
Love words? Need even more definitions?
Merriam-Webster unabridged
Share