Relaxation may refer to: a process or state with the aim of recreation through leisure activities or idling and the opposite of stress or tension Relaxation technique In mechanical systems, the release of tension on a given instrument In physics, the transition of an atom or molecule from a higher energy level to a lower one: Dielectric relaxation Relaxation (NMR) Relaxation time In mathematics, Relaxation technique (mathematics), in mathematical optimization, a technique for transforming… (More on Relaxation)