Princeton's WordNet

1. quench, slake, allay, assuage(verb)

   satisfy (thirst)

   "The cold water quenched his thirst"

2. snuff out, blow out, extinguish, quench(verb)

   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"

3. quench(verb)

   electronics: suppress (sparking) when the current is cut off in an inductive circuit, or suppress (an oscillation or discharge) in a component or device

4. squelch, quell, quench(verb)

   suppress or crush completely

   "squelch any sign of dissent"; "quench a rebellion"

5. quench(verb)

   reduce the degree of (luminescence or phosphorescence) in (excited molecules or a material) by adding a suitable substance

6. quench(verb)

   cool (hot metal) by plunging into cold water or other liquid

   "quench steel"

Wiktionary

1. quench(Noun)

   The abnormal termination of operation of a superconducting magnet, occurring when part of the superconducting coil enters the normal (resistive) state.

2. quench(Verb)

   To satisfy, especially an actual or figurative thirst.

   The library quenched her thirst for knowledge.

3. quench(Verb)

   To extinguish or put out (as a fire or light.)

   Then the MacManus went down. The sudden quench of the white light was how I knew it. -- Saul Bellow

4. quench(Verb)

   To cool rapidly by dipping into a bath of coolant, as a blacksmith quenching hot iron.

   The swordsmith quenched the sword in an oil bath so that it wouldn't shatter.

Webster Dictionary

1. Quench(verb)

   to extinguish; to overwhelm; to make an end of; -- said of flame and fire, of things burning, and figuratively of sensations and emotions; as, to quench flame; to quench a candle; to quench thirst, love, hate, etc

2. Quench(verb)

   to cool suddenly, as heated steel, in tempering

3. Quench(verb)

   to become extinguished; to go out; to become calm or cool

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