heptahedral

heptahedron

[hep-tuh-hee-druhn]
noun, plural heptahedrons, heptahedra [hep-tuh-hee-druh] .
a solid figure having seven faces.

Origin:
1650–60; hepta- + -hedron

heptahedral, heptahedrical, adjective
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World English Dictionary
heptahedron (ˌhɛptəˈhiːdrən)
 
n
See also polyhedron a solid figure having seven plane faces
 
hepta'hedral
 
adj

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