Oscillation in a device called an oscillator is usually a back and forth motion over a central neutral point, created by changes in energy. In a pendulum-driven clock, for example, the oscillation is the back and forth movement of the pendulum.
Legal Definition of administrative law judge. : an officer in a government agency with quasi-judicial functions including conducting hearings, making findings of fact, and making recommendations for resolution of disputes concerning the agency's actions âcalled also administrative judge.
Chief judge. Chief judge is a title that can refer to the highest-ranking judge of a court that has more than one judge. The meaning and usage of the term vary from one court system to another.