symmetry operation of the second kind
symmetry operation of the second kind
[¦sim·ə·trē ‚äp·ə‚rā·shən əvthə ′sek·ənd ‚kīnd] (crystallography)
A combination of rotations, reflections, and translations that brings a crystal into a position that is a mirror image of its original position.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.