Heptahedron

usgb/ˌheptəˈhiːdrən/
noun

A solid shape with seven flat sides or faces.

The classic example of a heptahedron is a pentagonal pyramid with five triangular faces and two pentagonal faces.
Visual representation of "heptahedron" - A solid shape with seven flat sides or faces.

Often appears as...

  • pentagonal heptahedron
  • regular heptahedron

Usage tips

Technical

Definition 1 of 1
Visual representation of "heptahedron"
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Geometry Term

Used mainly in geometry and mathematical contexts to describe a specific 3D shape.

Illustration for Geometry Term
In geometry class, we studied how to calculate the surface area of a heptahedron.
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Technical Vocabulary

It's a technical term, not commonly used in everyday conversation.

Illustration for Technical Vocabulary
The architect discussed the heptahedron structure for the new art installation.
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3D Shape Names

Similar to 'triangle' in 2D, 'heptahedron' describes a 3D shape with seven faces.

Illustration for 3D Shape Names
She crafted a model of a heptahedron for her science project.
Visual representation of the word "Heptahedron"

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