51Թ

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heptagon

[ hep-tuh-gon, -guhn ]

noun

  1. a polygon having seven angles and seven sides.


heptagon

/ ˈhɛptəɡən; hɛpˈtæɡənəl /

noun

  1. a polygon having seven 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

heptagon

/ ĕə-ŏ′ /

  1. A polygon having seven sides.
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Derived Forms

  • heptagonal, adjective
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51Թ History and Origins

Origin of heptagon1

First recorded in 1560–70, heptagon is from the Greek word áōԴDz seven-cornered. See hepta-, -gon
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Example Sentences

Examples have not been reviewed.

The sculptural forms are sleek and simplified rather than naturalistic, the overall contour an array of stacked geometric shapes — an oval balanced atop a heptagon standing atop a triangle.

From

It is arranged in hexagons, heptagons and triangles.

From

On the other hand, if we use heptagons, instead of an angle deficit, we have an angle surplus.

From

And it came as a complete surprise to us; its carbon lattice includes heptagons and octagons that form regions of so-called negative curvature — or the familiar saddle shape.

From

Indeed, we go so far as to study the properties of figures that we cannot construct, as when we ask for the size of the angle of a regular heptagon.

From

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