Octahemioctahedron
The Uniform Polyhedron 
, also called the Octatetrahedron, whose Dual Polyhedron is the Octahemioctacron. It has Wythoff Symbol 
. Its faces are 
. It is a Faceted Cuboctahedron. For unit edge length, its Circumradius is
References
Wenninger, M. J. Polyhedron Models. Cambridge, England: Cambridge University Press, p. 103, 1989.
- Degree of Freedom
- Degree (Polynomial)
- Degree Sequence
- Degree (Vertex)
- Dehn Invariant
- Dehn's Lemma
- Dehn Surgery
- de Jonquières Theorem
- de Jonquières Transformation
- Del
- de la Loubere's Method
- Delannoy Number
- Delaunay Triangulation
- Delian Constant
- Delian Problem
- de Longchamps Point
- Del Pezzo Surface
- Delta Amplitude
- Delta Curve
- Delta Function
- Deltahedron
- Delta Sequence
- Delta Variation
- Deltoid
- Deltoidal Hexecontahedron