dihedron

[ dahy-hee-druh n ]
/ daɪˈhi drən /

noun Geometry.

a figure formed by two intersecting planes.

Origin of dihedron

First recorded in 1820–30; di-1 + -hedron
Also called dihedral, dihedral angle.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for dihedron

dihedron
/ (daɪˈhiːdrən) /

noun

another name for dihedral (def. 2)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012