(Crystallog.) A wedge-shaped crystal bounded by four equal isosceles triangles. It is the hemihedral form of a square pyramid.
![]() |
![]() |
![]() | ![]() | ![]() | |||
|
|
|
![]() |
Words linked to "Sphenoid" : sphenoid fontanel, os, os sphenoidale, bone |
Copyright © 2025 Dictionary One.com |