- dihexagonal prism
: a prism any horizontal section of which is dihexagonal
Useful english dictionary. 2012.
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Dihexagonal — Di hex*ag o*nal, a. [Pref. di + hexagonal.] (a) Consisting of two hexagonal parts united; thus, a dihexagonal pyramid is composed of two hexagonal pyramids placed base to base. (b) Having twelve similar faces; as, a dihexagonal prism. [1913… … The Collaborative International Dictionary of English
Crystal system — Diamond crystal structure consists of face centered cubic lattice. In crystallography, the terms crystal system, crystal family, and lattice system each refer to one of several classes of space groups, lattices, point groups, or crystals.… … Wikipedia