follow Dictionary.com

11 Trending Words of 2014

trihedron

[trahy-hee-druh n] /traɪˈhi drən/
noun, plural trihedrons, trihedra
[trahy-hee-druh] /traɪˈhi drə/ (Show IPA).
Geometry
1.
the figure determined by three planes meeting in a point.
Also, trihedral.
Origin
1820-1830
1820-30; tri- + -hedron
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for trihedra

trihedron

/traɪˈhiːdrən/
noun (pl) -drons, -dra (-drə)
1.
a figure determined by the intersection of three planes
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
Cite This Source

Word of the Day

Difficulty index for trihedron

Few English speakers likely know this word

Word Value for trihedra

12
11
Scrabble Words With Friends