reduce the degree of (luminescence or phosphorescence) in (excited molecules or a material) by adding a suitable substance;
suppress or crush completely; "squelch any sign of dissent"; "quench a rebellion";
satisfy (thirst); "The cold water quenched his thirst";
electronics: suppress (sparking) when the current is cut off in an inductive circuit, or suppress (an oscillation or discharge) in a component or device;
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";
