Dictionary definition · quench
verb
- 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"
- 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"
- 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"
Source: Open English WordNet (CC BY 4.0).