-hedral

Borrowed from Ancient Greek ἕδρα (hédra, “face of a geometrical solid”) + -al.

• IPA^(key): /-ˈhiːdɹəl/, (less common) /-ˈhɛdɹəl/

-hedral

1. Forms adjectives referring to solid figures bounded by a certain number of planes (polyhedra).

   Coordinate terms: -gonal, -angular, -choral, -hedroidal, polytopal

• Erdahl, Hadler, Halder, Herald, hardel, hareld, harled, herald