Power check is a term often used in aviation and refers to checking the power of an aircraft engine. There are several synonyms that can be used instead of power check, depending on the context. For example, one may use the term engine check, which refers to verifying the performance of the engine's various components. Another synonym for power check is throttle check, which refers to checking the throttle of the engine to ensure it's operating correctly. Other synonyms for power check include propulsion test, engine run-up, and powerplant check. Regardless of the synonym used, the goal remains the same: to ensure the aircraft's engine is functioning correctly before flight.