Irreversible process
This is an old revision of this page, as edited by Jaques (talk | contribs) at 07:41, April 27, 2007. It may differ significantly from current revision.
An irreversible process is a thermodynamic process that results in an increase in entropy. Examples include the puncturing of a tire or the melting of ice.
In an irreversible process it is impossible to incrementally undo the changes and restore the original state with its original entropy.