| 释义 |
torsion element torsion element[′tȯr·shən ‚el·ə·mənt] (mathematics) A torsion element of an Abelian group G is an element of G with finite period. A torsion element of a module M over an entire, principal ring R is an element x in M for which there exists an element a in R such that a ≠ 0 and ax = 0. |