Definition of heptahedron in English:
noun (plural heptahedra /-drə/ or heptahedrons)
A solid figure with seven plane faces.
- Around the circle - in which the heptahedron lies - another seven-fold star can be constructed.
- Edges vanish, and it becomes a heptahedron, having three rhombic faces and four triangular faces.
- While all of the faces are regular and vertices equivalent, the heptahedron is self-intersecting and is therefore not considered an Archimedean solid.
Definition of heptahedron in:
- US English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the UK
Most popular in Canada
Most popular in Australia
Most popular in Malaysia
Most popular in Pakistan