degree of freedom
- (physics) Any of the coordinates, a minimum number of which are needed to specify the motion of a mechanical system.
- (physics) Any of the independent variables required to specify the thermodynamic state of a system containing components and phases.
- (mathematics) Any unrestricted variable in a frequency distribution.
minimum number of coordinates usable to describe a mechanical system
independent variable required to specify the thermodynamic state
mathematics: unrestricted variable