extinction, extinguishing, quenching -- (the act of extinguishing; causing to stop burning; "the extinction of the lights")
Overview of verb quench
The verb quench has 6 senses
quench, slake, allay, assuage -- (satisfy (thirst); "The cold water quenched his thirst")
snuff out, blow out, extinguish, quench -- (put out, as of fires, flames, or lights; "Too big to be extinguished at once, the forest fires at best could be contained"; "quench the flames"; "snuff out the candles")
quench -- (electronics: suppress (sparking) when the current is cut off in an inductive circuit, or suppress (an oscillation or discharge) in a component or device)
squelch, quell, quench -- (suppress or crush completely; "squelch any sign of dissent"; "quench a rebellion")
quench -- (reduce the degree of (luminescence or phosphorescence) in (excited molecules or a material) by adding a suitable substance)
quench -- (cool (hot metal) by plunging into cold water or other liquid; "quench steel")