Definition of hemihedral in English:

hemihedral

Syllabification: hem·i·he·dral
Pronunciation: /ˌheməˈhēdrəl
 
/

adjective

Crystallography
Having half the number of planes required for symmetry of the holohedral form.
More example sentences
  • Hexagonal bR crystals of space group P6 3 often exhibit a perfect hemihedral twinning.
  • Depending on the hemihedral twin-fraction, there are two different scenarios that must be understood.
  • A regular or twin intergrowth between two hemihedral crystals frequently takes place and results in the production of a holohedral form.

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Word of the day apposite
Pronunciation: ˈapəzɪt
adjective
apt in the circumstances or relation to something