-hedron

1. 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.

-hedron

combining form

1. indicating a geometric solid having a specified number of faces or surfaces

   tetrahedron

Derived Forms

• -hedral, combining_form:in_adjective

Word History and Origins

Origin of -hedron¹

< Greek -edron, neuter of -edros having bases, -sided, equivalent to ( h ) édr ( a ) seat, face of a geometrical form ( cathedra ) + -os adj. suffix

Word History and Origins

Origin of -hedron¹

from Greek -edron -sided, from hedra seat, base