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octahedron
This term evokes a sense of geometric symmetry and structural stability. In a scientific context, it is frequently used to describe the spatial arrangement of atoms in a crystal lattice or the coordination geometry of a central metal atom in chemistry. While any eight-faced solid is technically an octahedron, the word almost always implies the regular form. This creates a mental image of two square-based pyramids joined at their bases, projecting a balanced, diamond-like silhouette.
Used to count individual three-dimensional geometric solids.
Meanings
A polyhedron with eight faces, typically referring to a regular octahedron composed of eight equilateral triangles.
"The crystal structure of diamond is based on an octahedron."