CUSEC can refer to:
- Canadian University Software Engineering Conference
- Cusec or cubic feet per second, a measure of flow rate.
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n. a measure of the rate of flow of fluid, especially through a pipeline, equal to one cubic foot per second
Usage examples of "cusec".
Each drop, as he had foreseen, was being used six or seven times and in obedience to such a well-conceived plan, when the Platte finally reached the exit point, it was carrying exactly the 120 cusecs which the Supreme Court had directed Colorado to deliver to Nebraska.