Quench means to stop being thirsty by drinking. You use it when you have a dry mouth and want to drink water or other drinks.
He drank water to quench his thirst.
She quenched her thirst with juice.
This meaning is about metal work. When metal is very hot, people put it in water to cool it fast. This makes the metal strong and hard.
Blacksmiths quench hot iron in water.
The steel is quenched to make it hard.
This use of quench means to stop fire by using water or liquid. It means putting out the fire so it does not burn.
They quenched the fire with water.
Firefighters quenched the small flame quickly.
Here, quench means to stop or control feelings or desires inside you. It means to make them go away or become less strong.
She quenched her anger with deep breath.
He quenched his need for adventure.
This meaning is a technical process in science. It means to cool hot gas or liquid very fast by touching it with something cold.
The system quenched the hot gas rapidly.
Engineers quenched the liquid to control temperature.
Quench can mean to stop a light or flame, like putting out a candle or lamp flame by covering or blowing it.
He quenched the candle before sleep.
She quenched the flame with a cover.
