trapezohedron

American  

[truh-pee-zuh-hee-druhn, trap-uh-] / trəˌpi zəˈhi drən, ˌtræp ə- /

noun

plural

trapezohedrons, trapezohedra

1. Crystallography. a crystal form having all faces trapeziums.

2. Geometry. a trapezoid trisoctahedron.

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trapezohedron British  

/ trəˌpiːzəʊˈhiːdrən /

noun

1. crystallog a crystal form in which all the crystal's faces are trapeziums

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Other Word Forms

• trapezohedral adjective

Etymology

Origin of trapezohedron

First recorded in 1810–20; trapez(oid) + -o + -hedron

Example Sentences

Bounded by twenty-four trapezoidal faces, and hence sometimes called a “trapezohedron.”

From Project Gutenberg