Relaxation may refer to:
- Human relaxation is the art and science of doing nothing - regardless of the outer activity including physical and/or mental tension. A human condition of flowing vital energy binging about a state of improved health and well being. Effective relaxation may be referred to as rejuvenation
- a process or state with the aim of recreation through leisure activities or idling and the opposite of stress or tension
- 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:
- In mathematics,
- In computer science, the act of smoothing out a 3D mesh, or of substituting alternative program code during linking
- In music, the release of musical tension