definition of
quench

[1] #1 quench v. [slake, allay, assuage] satisfy (thirst); "The cold water quenched his thirst". wn

[2] #2 quench v. [snuff out, blow out, extinguish] 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". wn

[3] #3 quench v. electronics: suppress (sparking) when the current is cut off in an inductive circuit, or suppress (an oscillation or discharge) in a component or device. wn

[4] #4 quench v. [squelch, quell] suppress or crush completely; "squelch any sign of dissent"; "quench a rebellion". wn

[5] #5 quench v. reduce the degree of (luminescence or phosphorescence) in (excited molecules or a material) by adding a suitable substance. wn