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Nonahedron
01
ノナヘドロン
a shape with nine flat sides that connect along their edges
例
The nonahedron has nine faces, eighteen edges, and twelve vertices.
The architect used a nonahedron as the basis for the design of the new building.
The student constructed a nonahedron model for her math project.
I struggled to visualize the nonahedron in my geometry class.
