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Is it common terminology to refer to a state variable as a "degree of freedom"?

From the current Wikipedia article on degrees of freedom :

Edit: Another example of using "degrees of freedom" to mean a set of variables:

From the current Wikipedia article on degrees of freedom :

https://en.wikipedia.org/wiki/Degrees_of_freedom_(physics_and_chemistry)In physics, adegree of freedomis an independent physical parameter in the formal description of the state of a physical system. The set of all dimensions of a system is known as a phase space, and degrees of freedom are sometimes referred to as its dimensions.

Edit: Another example of using "degrees of freedom" to mean a set of variables:

http://en.wikipedia.org/wiki/Wave_functionFor a given system, the wave function is a complex-valued function of the systems degrees of freedom, continuous as well as discrete.

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