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.

Rhombohedral iron ore Min. See Hematite. -- Rhombohedral system Crystallog., a division of the hexagonal system embracing the rhombohedron, scalenohedron, etc.


© Webster 1913.