from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
measureof the rateof flowof fluid, especially through a pipeline, equal to one cubic metreper second.
from Wiktionary, Creative Commons Attribution/Share-Alike License
Imagine a river flowing at 1 cumec cubic metre per second into a well mixed lake of volume of 50 million cubic meters, then an outflow at 1 cumec to the ocean.
The inflow to the dam, at present 106 percent full, was expected to rise to 4500 cumec during the day.