S: (v) quench (quench%2:41:02::) (electronics: suppress (sparking) when the current is cut off in an inductive circuit, or suppress (an oscillation or discharge) in a component or device)
S: (v) quench (quench%2:30:04::) (reduce the degree of (luminescence or phosphorescence) in (excited molecules or a material) by adding a suitable substance)
S: (v) quench (quench%2:30:02::) (cool (hot metal) by plunging into cold water or other liquid) "quench steel"