Definition of holohedral in US English:



  • Having the full number of planes required by the symmetry of a crystal system.

    • ‘In effect, magnetite does not have internal holohedral cubic symmetry, although the form faces of a crystal do appear as holohedral.’
    • ‘Less frequently, crystals are found with various habits that suggest holohedral symmetry.’
    • ‘In this regard, at least one outer layer of the printed circuit board is embodied as either a holohedral or grid-shaped shielding layer.’
    • ‘If, for example, the diameter of the measuring opening of the photometer is 30 mm, then the length of 90 mm is selected for the holohedral to be produced.’
    • ‘X-ray study confirms the holohedral character of the structure.’