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2017 Word of the Year

dihedron

[dahy-hee-druh n] /daɪˈhi drən/
noun, Geometry.
1.
a figure formed by two intersecting planes.
Also called dihedral, dihedral angle.
Origin of dihedron
1820-1830
First recorded in 1820-30; di-1 + -hedron
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for dihedron

dihedron

/daɪˈhiːdrən/
noun
1.
another name for dihedral (sense 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
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Word Value for dihedron

13
13
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