tactic polymer

tactic polymer

[′tak·tə·kəl ′päl·i·mər]
(organic chemistry)
A polymer with regularity or symmetry in the structural arrangement of its molecules, as in a stereospecific polymer such as some types of polypropylene.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.