HEMIGLYPH
Hem"i*glyph, n. Etym: [Hemi- + Gr. (Arch.)
Defn: The half channel or groove in the edge of the triglyph in the
Doric order.
HEMIHEDRAL
Hem`i*he"dral, a. Etym: [Hemi- + Gr. (Crystallog.)
Defn: Having half of the similar parts of a crystals, instead of all; consisting of half the planes which full symmetry would require, as when a cube has planes only on half of its eight solid angles, or one plane out of a pair on each of its edges; or as in the case of a tetrahedron, which is hemihedral to an octahedron, it being contained under four of the planes of an octahedron. — Hem`i*he"dral*ly, adv.
HEMIHEDRISM
Hem`i*he"drism, n. (Crystallog.)
Defn: The property of crystallizing hemihedrally.
HEMIHEDRON
Hem`i*he"dron, n. (Crystallog.)
Defn: A solid hemihedrally derived. The tetrahedron is a hemihedron.
HEMIHOLOHEDRAL
Hem`i*hol`o*he"dral, a. Etym: [Hemi- + holohedral.] (Crystallog.)
Defn: Presenting hemihedral forms, in which half the sectants have the full number of planes.