polysynthetic twinning
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polysynthetic twinning
[¦päl·i·sin′thed·ik ′twin·iŋ] (crystallography)
Repeated twinning that involves three or more individual crystals according to the same twin law and on parallel twin planes.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.