Definition of Quench

Verb: quench kwench

Satisfy (thirst)
"The cold water quenched his thirst";
- slake, allay, assuage
Put out, as of fires, flames, or lights
"quench the flames";
- snuff out, blow out, extinguish
Electronics: suppress (sparking) when the current is cut off in an inductive circuit, or suppress (an oscillation or discharge) in a component or device
Suppress or crush completely
"quench a rebellion";
- squelch, quell
(physics) reduce the degree of (luminescence or phosphorescence) in (excited molecules or a material) by adding a suitable substance
Cool (hot metal) by plunging into cold water or other liquid
"quench steel"