energy conservation

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energy conservation1

a principle that energy cannot be created or destroyed although it can be changed from one form into another, as when heat energy is converted to light energy. It is now superseded by the special relativity equation E = mc2, but it is still applicable to chemical changes.

energy conservation2

a nursing outcome from the Nursing Outcomes Classification (NOC) defined as personal actions to manage energy for initiating and sustaining activity. See also Nursing Outcomes Classification.

energy conservation

In rehabilitation, a process for managing fatigue by prioritizing goals and time use, simplifying tasks, and organizing the environment to make necessary work more efficient.