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.
1. circuit court of appeals-one of the twelve federal United States courts of appeals that cover a group of states known as a `circuit'. appeals court, appellate court, court of appeals-a court whose jurisdiction is to review decisions of lower courts or agencies.