| Hemiholohedral | a. [ Hemi- + holohedral. ] (Crystallog.) Presenting hemihedral forms, in which half the sectants have the full number of planes. [ 1913 Webster ] |
| Holohedral | a. [ Holo- + Gr. &unr_; seat, base, fr. &unr_; to sit. ] (Crystallog.) Having all the planes required by complete symmetry, -- in opposition to |