Definition of octahedral in English:

octahedral

adjective

  • See octahedron

    • ‘Galena is also found as larger isolated octahedral crystals within the coarse calcite cement in breccias in the upper parts of the core.’
    • ‘It's octahedral in shape with a high, vaulted ceiling and sunlight streaming through hidden windows.’
    • ‘In 1990 bright emerald-green, transparent, octahedral fluorite crystals were discovered in the Kettle mine by mine surveyor Michelle Scott.’
    • ‘The outer portion of the garnets is altered to clinochlore, and small octahedral crystals of magnetite and martite occur in the schist.’
    • ‘Also, some glass scientists thought the glass would immediately crystallize if it became octahedral.’

Pronunciation

octahedral

/ˌɒktəˈhiːdrəl/