| 释义 |
- Geometry
- Algebra
- Medicine
- Physics and engineering
- Pseudoscience
- Biology
{{wiktionary}}Torsion may refer to: {{tocright}} Geometry - Torsion of a curve
- Torsion tensor in differential geometry
- The closely related concepts of Reidemeister torsion (also called R-torsion, Franz torsion, de Rham torsion) and analytic torsion (also called Ray-Singer torsion)
- Whitehead torsion
- Dihedral angle
Algebra - Torsion (algebra)
- Tor functor
- Torsion-free module
Medicine - Of bones, "torsion fracture" is another term for spiral fracture.
- Of organs, torsion refers to twisting, in particular twisting that interrupts the blood supply to that organ, e.g. splenic torsion, ovarian torsion, or testicular torsion.
- Torsion of the digestive tract in some domestic animals:
- A type of horse colic
- A complication of gastric dilatation volvulus (gastric torsion)
Physics and engineering - Torsion (mechanics)
- The field used in Einstein–Cartan theory and other alternatives to general relativity that involve torsion of spacetime
Pseudoscience - Torsion field (pseudoscience), a field alleged to make faster-than-light communication and paranormal phenomena possible
Biology - Torsion (gastropod), a developmental feature of all gastropods
{{mathematical disambiguation}} |