1. having eight faces or surfaces
Usage: geometry; crystallography
2. relating to or having the shape of an octahedron
Usage: geometry

Examples

• The diamond has an octahedral crystal structure.
• Scientists studied the octahedral geometry of the molecule.
• The mineral formed octahedral crystals in the laboratory.
• The octahedral shape is common in certain metal complexes.
• Students learned to identify octahedral forms in their chemistry class.
• The octahedral coordination around the central atom was clearly visible.