Found 2 items, similar to rhombohedral.
English → English (WordNet) Definition: rhombohedral rhombohedral adj : having three-fold symmetry [syn: trigonal]
English → English (gcide) Definition: Rhombohedral Rhombohedral \Rhom`bo*he"dral\, a. (Geom. & Crystallog.) Related to the rhombohedron; presenting the form of a rhombohedron, or a form derivable from a rhombohedron; relating to a system of forms including the rhombohedron and scalenohedron. [1913 Webster] Rhombohedral iron ore (Min.) See Hematite. Rhombohedral system (Crystallog.), a division of the hexagonal system embracing the rhombohedron, scalenohedron, etc. [1913 Webster]