Definition

A three-dimensional shape that has flat surfaces called faces, which are polygons.

Example

The architect designed a building in the shape of a polyhedron.

Conversation

Have you ever seen a real polyhedron?

No, I haven't! What does it look like?

It's basically a solid shape with flat faces, like a cube.

That sounds cool! I’d love to learn more about different types.

Synonyms & Antonyms

Root Explanation

Polyhedron → It is formed from "poly-" (from Greek "polus", meaning many) and "hedron" (from Greek "hedra", meaning face or base). The word "polyhedron" refers to a solid figure with many faces.

Memory Tip

Think of 'many' ('poly-') 'faces' ('hedron') to remember that a polyhedron is a solid shape with multiple flat surfaces.

Visually Confused Words