1. of, relating to, or based on the number eight; having eight parts or elements
Usage: technical; mathematics and logic

Examples

• The octadic system uses eight as its base for numerical representation.
• In logic, an octadic relation involves eight variables or arguments.
• The octadic structure of the molecule was confirmed through spectroscopy.
• Octadic groupings are common in certain musical compositions.
• The octadic arrangement of the atoms affects the compound's properties.