satisfy (thirst);"The cold water quenched his thirst"
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"
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;"squelch any sign of dissent" "quench a rebellion"
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"
中英词源
quench 扑灭，熄灭
可能来自古英语cwincan,离开，扑灭，灭火。进一步词源不详。
quench (v.)
Old English acwencan "to quench" (of fire, light), from Proto-Germanic *kwankjan, probably a causative form of root of Old English cwincan "to go out, be extinguished," Old Frisian kwinka. Related: Quenched; quenching.
