Definition, Meaning & Synonyms
polyhedron
noun
/ˌpɒl.ɪˈhɛd.rən/
Definition
A solid shape with multiple flat surfaces, known as faces.
Examples
- A cube is a type of polyhedron with six square faces.
- The dodecahedron has twelve flat faces, each being a pentagon.
- In geometry class, we learned about various forms of polyhedrons including tetrahedrons and octahedrons.
Meaning
Polyhedrons are three-dimensional geometrical figures that have flat polygonal faces, straight edges, and vertices where the edges meet.
Synonyms
- solid
- geometric figure
- three-dimensional shape
