hexahectaenneacontakaiheptagon

hex·a·hec·ta·en·ne·a·con·ta·kai·hep·ta·gon
UK/ˌhɛksəˌhɛktəˌɛni.əˌkɒntəkaɪˈhɛptəˌɡən/US/ˌhɛksəˌhɛktəˌɛni.əˌkɑntəkaɪˈhɛptəˌɡɑn/

noun

A polygon with 697 sides.

Scrabble 57
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Meanings

nounhexahectaenneacontakaiheptagon (plural hexahectaenneacontakaiheptagons)

plural hexahectaenneacontakaiheptagons

  1. raregeometryA polygon with 697 sides.

    The state of Colorado may look like a rectangle (four straight sides, four right angles) but it actually has 697 sides, making it a hexahectaenneacontakaiheptagon.

    2020, Bathroom Readers' Institute, Uncle John's Greatest Know on Earth Bathroom Reader, San Diego, CA: Portable Press, →ISBN
    2 more examples

    Colorado is actually a hexahectaenneacontakaiheptagon, meaning it has 697 sides, according to a 2018 bigthink.com article and Kutztown University's math whizzes who create names for polygons.

    2019 October 16, James Burky, “Rectangle state? Nope. Colorado has 697 sides, not four.”, in The Denver Post, archived from the original on 08 Jan 2023

    A study in 2018 suggested that as a result of the challenges of surveying in the nineteenth century, Colorado has no fewer than 697 sides, technically making it a "hexahectaenneacontakaiheptagon."

    2020, Derek Everett, Colorado Day by Day, Boulder, CO: University Press of Colorado, →ISBN, page 212

Origin

From hexa- (“six”) + hecta- (“hundred”) + ennea- (“nine”) + -conta- (“ten”) + -kai- (“and”) + hepta- (“seven”) + -gon. Coined humorously to describe the shape of the US state of Colorado.

Full word history & related roots →
Cite this entry
APA

hexahectaenneacontakaiheptagon. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/hexahectaenneacontakaiheptagon

MLA

“hexahectaenneacontakaiheptagon.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hexahectaenneacontakaiheptagon. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “hexahectaenneacontakaiheptagon,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/hexahectaenneacontakaiheptagon.

Source: hexahectaenneacontakaiheptagon on Wiktionary, CC BY-SA 4.0.