Definition, Meaning & Synonyms

run-off

noun

/ˈrʌnˌɔf/

Definition

A run-off is a situation where water flows away from a certain area, often referring to excess water that collects and drains away from land or surfaces.

Examples

The heavy rain caused a lot of run-off that flowed into the river.
Farmers need to manage run-off to prevent soil erosion.
Run-off can lead to water pollution if chemicals from farms enter streams.

Meaning

In an environmental context, run-off refers to water that moves across the ground and enters bodies of water, carrying pollutants and nutrients with it.