Polyhedron
/ˌpɑːliˈhiːdrən/noun
A solid shape with many flat faces, straight edges and corners.
A cube is a perfect example of a polyhedron.
Often appears as...
- regular polyhedron
- convex polyhedron
Usage tips
Technical
Definition 1 of 1
Pro Tip 1/3Visualize Shapes
Imagine a 3D object with flat surfaces to understand polyhedra better.
When someone mentions a polyhedron, picture a dice in your mind.
Pro Tip 2/3Math Context
Polyhedron is a term often used in geometry, relating to shapes with straight edges.
In our geometry class, we learned that each face of a polyhedron is a polygon.
Pro Tip 3/3Not Round
Remember, unlike spheres, every polyhedron has flat faces; they're not curved.
Balls are not polyhedrons because they have curved surfaces, not flat ones.
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