Definition, Meaning & Synonyms
decahedron
Noun
/ˌdɛkəˈhiːdrən/
Definition
A three-dimensional geometric figure with ten flat faces.
Examples
- The most common type of decahedron is the regular decahedron, where all faces are identical regular polygons.
- In geometry class, we learned to visualize a decahedron by imagining a soccer ball with its ten triangular panels.
Meaning
The term ‘decahedron’ combines the Greek prefix ‘deca-‘ meaning ten, and ‘hedron’ meaning face or surface, indicating a solid shape with ten faces.
Synonyms
- Ten-faced solid
- Polyhedron (specific to ten faces)
