dihedron
(daɪˈhiːdrən) n (Mathematics) another name for
dihedral2 Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
di•he•dron
(daɪˈhi drən)
n. a figure formed by two intersecting planes.
[1820–30]
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