hydrograph

Etymology

From hydro- + -graph.

hydrograph means A graph of flow past a point in a river versus time. Lexicurio rates it Sui generis — a strength score of 86 out of 100.

noun

A graph of flow past a point in a river versus time.
A graph of water table versus time.“A comparison of Silurian dolomite aquifer water-level hydrographs and pumpage graphs indicates that in general water-level decline is directly proportional to pumpage and suggests that recharge balances discharge.”