hydrograph

[ hahy-druh-graf, -grahf ]

noun

1. a graph of the water level or rate of flow of a body of water as a function of time, showing the seasonal change.

hydrograph

/ ˈhaɪdrəˌɡrɑːf; -ˌɡræf /

noun

1. a graph showing the seasonal variation in the level of a body of water, from which its velocity and discharge can be calculated

Word History and Origins

Origin of hydrograph¹

First recorded in 1890–95; hydro- ¹ + -graph