Swelling may refer to: *

Edema Edema (American English), also spelled oedema (British English), and also known as fluid retention, swelling, dropsy and hydropsy, is the build-up of fluid in the body's tissue (biology), tissue. Most commonly, the legs or arms are affected. S ...

, a transient abnormal enlargement of a body part or area not caused by a tumor *

Die swell In fluid dynamics, the die swell, extrudate swell or Barus effect, is a common phenomenon in polymer processing. Die swell occurs in instances of polymer extrusion, in which a stream of polymeric material is forced through a die, a specialized too ...

, the increase in cross-sectional area of a polymer after it exits an extrusion die *

Swelling capacity The swelling capacity of a polymer is the amount of a liquid that can be absorbed by it. This test can done by two methods: # Beaker test method # Tea bag A tea bag (or teabag) is a small, porous, sealed bag or Packet (container), packet typ ...

, the amount of liquid that can be absorbed by a polymer *

Neutron-induced swelling Neutron-induced swelling is the increase of volume and decrease of density of materials subjected to intense neutron radiation. Neutrons impacting the material's lattice rearrange its atoms, causing buildup of dislocations, voids, and Wigner ene ...

, the increasing of volume and decreasing of density of materials subjected to intense neutron radiation *

Swelling index Swelling index may refer to the following material parameters that quantify volume change: * Crucible swelling index, also known as free swelling index, in coal assay * Swelling capacity The swelling capacity of a polymer is the amount of a liquid ...

See also