- to slake, satisfy, or allay (thirst, desires, passion, etc.).
- to put out or extinguish (fire, flames, etc.).
- to cool suddenly by plunging into a liquid, as in tempering steel by immersion in water.
- to subdue or destroy; overcome; quell: to quench an uprising.
- to terminate (the flow of electrons in a vacuum tube) by application of a voltage.
- to satisfy (one's thirst, desires, etc); slake
- to put out (a fire, flame, etc); extinguish
- to put down or quell; suppress
- to cool (hot metal) by plunging it into cold water
- to reduce the degree of (luminescence or phosphorescence) in (excited molecules or a material) by adding a suitable substance
- electronics
- to suppress (sparking) when the current is cut off in an inductive circuit
- to suppress (an oscillation or discharge) in a component or device
