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hemihedral

Hemihedral is a 10 letter word which starts with the letter H and ends with the letter L for which we found 1 definitions.

Definition
(a.) 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.
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