What term describes the rate of flow of liquid measured per unit of time?

The term that describes the rate of flow of liquid measured per unit of time is flow rate. Flow rate is a critical metric in various fields, including engineering, water management, and sanitation systems, as it quantifies how much liquid passes through a specific point in a system over a designated timeframe, typically measured in units such as liters per second or gallons per minute. Understanding flow rate is essential for ensuring proper system design and functionality, allowing for the efficient transport of liquids in pipes, pumps, and other fluid systems.

Capacity, while related, usually refers to the maximum volume that a container or system can hold, rather than the speed at which fluid is moving. Static rate might suggest a measurement related to the condition when the system is at rest, which does not pertain to the measurement of flow. Pump rate is more specific to the output of a pump but does not encompass all scenarios of liquid flow throughout systems. Thus, flow rate is the most accurate and widely applicable term for measuring liquid movement over time.