tetartohedral

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adjective te·tar·to·he·dral \te-ˌtär-tə-ˈhē-drəl\

Definition of tetartohedral

of a crystal

  1. :  having one fourth the number of planes required by complete symmetry — compare hemihedral, holohedral

Origin and Etymology of tetartohedral

Greek tetartos fourth; akin to Greek tettares four — more at four


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