trapezohedron

[truh-pee-zuh-hee-druh n, trap-uh-]
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noun, plural tra·pe·zo·he·drons, tra·pe·zo·he·dra [truh-pee-zuh-hee-druh, trap-uh-] /trəˌpi zəˈhi drə, ˌtræp ə-/.

Crystallography. a crystal form having all faces trapeziums.
Geometry. a trapezoid trisoctahedron.

Nearby words

  1. trapeze artist,
  2. trapezial,
  3. trapeziform,
  4. trapezium,
  5. trapezius,
  6. trapezoid,
  7. trapezoid ligament,
  8. trapezoid line,
  9. trapezoid rule,
  10. trapezoidal rule

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. 2019

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British Dictionary definitions for trapezohedron

trapezohedron

noun plural -drons or -dra (-drə)

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