|
Definition of Disphenoid
1. Adjective. (minerology) Describing a wedge-shaped crystal form of the tetragonal or orthorhombic system. ¹
2. Adjective. (minerology) Describing a crystal form bounded by eight scalene triangles arranged in pairs, constituting a tetragonal scalenohedron. ¹
3. Noun. (geometry) A polyhedron whose four faces are identical isosceles or scalene triangles. ¹
¹ Source: wiktionary.com