Having the shape or properties of a dodecagon; relating to a twelve-sided polygon.
From 'dodecagon' plus the adjectival suffix '-al'. This forms the descriptive adjective to describe anything shaped like or relating to a twelve-sided figure.
The dodecagonal shape appears more often in architecture and nature than most people realize—it's the optimal shape for packing circles efficiently, which is why honeycombs use hexagons instead.
Complete word intelligence in one call. Free tier — 50 lookups/day.