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.