hemihedral symmetry

hemihedral symmetry

[¦he·mē¦hē·drəl ′sim·ə·trē]
(crystallography)
The possession by a crystal of only half of the elements of symmetry which are possible in the crystal system to which it belongs.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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