Definition

A three-dimensional shape that has twelve flat surfaces, known as faces.

Example

The dodecahedron is one of the five Platonic solids.

Conversation

Have you ever seen a dodecahedron in real life?

No, I can't say that I have. What does it look like?

It's really interesting; it has twelve flat faces!

That sounds cool! I would love to see one up close.

Synonyms & Antonyms

Root Explanation

Dodecahedron → It is formed from "dodeca-" (from Greek "dōdeka", meaning twelve) and "hedron" (from Greek "hedra", meaning face or base). The word "dodecahedron" refers to a three-dimensional shape with twelve faces.

Memory Tip

Imagine a shape with 'twelve' ('dodeca-') 'faces' ('hedron') — that's what a dodecahedron is.

Visually Confused Words