trihedron

[ trahy-hee-druhn ]

noun,plural tri·he·drons, tri·he·dra

[trahy-hee-druh]. /traɪˈhi drə/. Geometry.

the figure determined by three planes meeting in a point.

Origin of trihedron

First recorded in 1820–30; tri- + -hedron

Also trihedral.

Words Nearby trihedron

trig point
trigram
trigraph
trihalomethane
trihedral
trihedron
trihydrate
trihydric
trihydroxy
triiodomethane
triiodothyronine

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for trihedron

trihedron

/ (traɪˈhiːdrən) /

nounplural -drons or -dra (-drə)

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

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