A heptahedron (plural: heptahedra) is a polyhedron having seven sides, or faces. A heptahedron can take a surprising number of different basic forms, or topologies. Probably most familiar are the hexagonal pyramid and the pentagonal prism. Also notable is the tetrahemihexahedron, whose seven equilateral triangle faces form a rudimentary projective...
Found on
http://en.wikipedia.org/wiki/Heptahedron
• (n.) A solid figure with seven sides.
Found on
http://thinkexist.com/dictionary/meaning/heptahedron/
Hep`ta·he'dron noun [
Hepta- + Greek ... seat, base, from ... to sit: confer French
heptaèdre .]
(Geom.) A solid figure with seven sides.
Found on
http://www.encyclo.co.uk/webster/H/34
No exact match found.
