torsion module

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.