hexagonal system

(redirected from Hexagonal crystal system)
Also found in: Dictionary, Wikipedia.
Related to Hexagonal crystal system: Orthorhombic crystal system, Tetragonal crystal system, Triclinic crystal system, Cubic crystal system

hexagonal system

[hek′sag·ə·nəl ′sis·təm]
(crystallography)
A crystal system that has three equal axes intersecting at 120° and lying in one plane; a fourth, unequal axis is perpendicular to the other three.