Definition, Meaning & Synonyms
ballcock
noun
/ˈbɔːl.kɒk/
Definition
A device used to control the flow of water into a tank, commonly found in toilet cisterns.
Examples
- The ballcock in the toilet stopped working, causing it to overflow.
- To fix the running toilet, I had to replace the old ballcock with a new one.
Meaning
A ballcock operates by floating on the water’s surface; when the water level drops, the ball moves down, opening a valve to allow water in, and as the tank fills, the ball rises, closing the valve when the tank is full.
Synonyms
- float valve
- water level controller
- tank valve
