What does enneahedron mean?
Enneahedron means (geometry) A polyhedron with nine faces..
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Pronunciation varies by accent · noun
(geometry) A polyhedron with nine faces..
1996, Michael O'Keeffe, Bruce G. Hyde, Crystal Structures, Number 1: Patterns & Symmetry, page 350, This is based on a packing of 36-vertex icosahedra [5¹².6⁸] and enneahedra (4³.5⁶].
The enneahedron is a simple all-space filler discovered by myself, based on the cubic antiprism, again omitted by Wood.
In Figure 9.10.3 we see a projection of the skeleton of an enneahedron (a solid with nine faces). All the faces of this enneahedron are quadrilaterals.
Use enneahedron when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Enneahedron means (geometry) A polyhedron with nine faces..
Common synonyms include nonahedron.
The opposite depends on the specific sense.
1996, Michael O'Keeffe, Bruce G. Hyde, Crystal Structures, Number 1: Patterns & Symmetry, page 350, This is based on a packing of 36-vertex icosahedra [5¹².6⁸] and enneahedra (4³.5⁶].
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