a combining form meaning “face,” used in the names of geometrical solid figures having the form or number of faces specified by the initial element: tetrahedron.

Where does the word Hedron come from?

Origin of the name

The name is derived from the Greek 'hydro' and 'genes' meaning water forming.

What is Hedron in geometry?

Hedron means face and is used in combination with a word telling the number of surfaces to describe a specific geometric figure. An example of hedron is rhombohedron, a crystal with three surfaces. ... Used in geometry to form the names of solid figures bounded by a certain number of planes (polyhedra).