"Decahedral" Natural Recordings by Native Speakers
Decahedral refers to a polyhedron with 10 faces. In geometry, a decahedral shape has 10 flat surfaces and 20 edges.
Decaffeinated refers to a type of coffee or tea that has had most of its caffeine content removed, typically through a process of soaking the beans or leaves in water and then filtering out the caffeine. Decaffeinated beverages are often described as having a similar taste to regular coffee or tea but without the stimulating effects of caffeine.
The noun "decagram" refers to a geometric shape with 10 angles and 11 sides. It is a rare and little-known geometric term, but it is used in some mathematical and architectural contexts.