Definitions

1. verb

to subject (a surface, especially a metal surface) to a strong flow of water or another cleaning agent to remove dirt or other impurities.

“The factory worker had to over-scour the pipes to remove the stubborn grime.”

2. noun

a strong flow of water or another cleaning agent used to clean a surface.

“The over-scour caused by the malfunctioning hose damaged the delicate machine parts.”

3. verb (archaic)

to scour or clean something too thoroughly.

“In the past, over-scouring was a common mistake when cleaning metal surfaces.”