trapezohedron

noun

tra·​pe·​zo·​he·​dron trə-ˌpē-zō-ˈhē-drən 

ˌtra-pə-

plural trapezohedrons or trapezohedra trə-ˌpē-zō-ˈhē-drə 

ˌtra-pə-

: a crystalline form whose faces are trapeziums

Word History

Etymology

New Latin, from trapezium + -o- + -hedron

First Known Use

circa 1822, in the meaning defined above