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1. The act of extinguishing; causing to stop burning
   - extinction

1. Satisfy (thirst)
   "The cold water quenched his thirst";
   - slake, allay, assuage
    
2. Put out, as of fires, flames, or lights
   "quench the flames";
   - snuff out, extinguish
    
3. Suppress (sparking) when the current is cut off in an inductive circuit, or suppress (an oscillation or discharge) in a component or device
    
4. Suppress or crush completely
   "quench a rebellion";
   - squelch [informal], quell
    
5. (physics) reduce the degree of (luminescence or phosphorescence) in (excited molecules or a material) by adding a suitable substance
    
6. Cool (hot metal) by plunging into cold water or other liquid
   "quench steel"

Derived forms: quenchings

Type of: bring down, chill, conclusion, conform to, conquer, cool, cool down, cut, cut back, cut down, ending, fill, fit, fulfil [Brit, Cdn], fulfill [N. Amer], meet, reduce, satisfy, stamp down, subdue, suppress, termination, trim, trim back, trim down

Encyclopedia: Quenching