torsion module
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torsion module
[′tȯr·shən ‚mä·jül] (mathematics)
A module M over an entire principal ring R is said to be a torsion module if for any element x in M there exists an element a in R such that a ≠ 0 and ax = 0.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.