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heptagon

[ hep-tuh-gon, -guhn ]
/ ˈhɛp təˌgɒn, -gən /
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noun

a polygon having seven angles and seven sides.

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Origin of heptagon

First recorded in 1560–70, heptagon is from the Greek word heptágōnos seven-cornered. See hepta-, -gon
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use heptagon in a sentence

British Dictionary definitions for heptagon

heptagon
/ (ˈhɛptəɡən) /

noun

a polygon having seven sides

Derived forms of heptagon

heptagonal (hɛpˈtæɡənəl), adjective
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

Scientific definitions for heptagon

heptagon
[ hĕptə-gŏn′ ]

A polygon having seven sides.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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