Pentahedron

/ˌpentəˈhiːdrən/

Definition 1 of 1

Pro Tip 1/3

While a pyramid is a common pentahedron, not all pentahedra are pyramids. Explore other shapes too.

A triangular prism is also a pentahedron.

Pro Tip 2/3

'Pentahedron' refers specifically to a 3-dimensional shape, not a flat, 2D polygon.

A drawing of a pentahedron on paper is a 2D representation of a 3D object.

Pro Tip 3/3

A pentahedron's faces must join with others along edges to form a closed 3D shape.

Each face of a pentahedron shares its edges with adjacent faces.

Pentagon

Humans forget easily. That's why you should download WordUp: Smart reminders, word games, AI practice, and much more!

As you browse the web instantly look up words you don’t know.