trapezohedron

[truh-pee-zuh-hee-druh n, trap-uh-]
noun, plural tra·pe·zo·he·drons, tra·pe·zo·he·dra [truh-pee-zuh-hee-druh, trap-uh-] /trəˌpi zəˈhi drə, ˌtræp ə-/.
  1. Crystallography. a crystal form having all faces trapeziums.
  2. Geometry. a trapezoid trisoctahedron.

Origin of trapezohedron

First recorded in 1810–20; trapez(oid) + -o + -hedron
Related formstra·pe·zo·he·dral, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for trapezohedron

Historical Examples of trapezohedron


British Dictionary definitions for trapezohedron

trapezohedron

noun plural -drons or -dra (-drə)
  1. crystallog a crystal form in which all the crystal's faces are trapeziums
Derived Formstrapezohedral, adjective

Word Origin for trapezohedron

C19: from trapezo- combining form of trapezium + -hedron, on the model of tetrahedron
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