quench

[kwench]
verb (used with object)
1.
to slake, satisfy, or allay (thirst, desires, passion, etc.).
2.
to put out or extinguish (fire, flames, etc.).
3.
to cool suddenly by plunging into a liquid, as in tempering steel by immersion in water.
4.
to subdue or destroy; overcome; quell: to quench an uprising.
5.
Electronics. to terminate (the flow of electrons in a vacuum tube) by application of a voltage.

Origin:
1150–1200; Middle English quenchen, earlier cwenken; compare Old English -cwencan in ācwencan to quench (cf. a-3)

quench·a·ble, adjective
quench·a·ble·ness, noun
quench·er, noun
un·quench·a·ble, adjective
un·quenched, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Quenched is always a great word to know.
So is bezoar. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
Collins
World English Dictionary
quench (kwɛntʃ) [Click for IPA pronunciation guide]
 
vb
1.  to satisfy (one's thirst, desires, etc); slake
2.  to put out (a fire, flame, etc); extinguish
3.  to put down or quell; suppress: to quench a rebellion
4.  to cool (hot metal) by plunging it into cold water
5.  physics to reduce the degree of (luminescence or phosphorescence) in (excited molecules or a material) by adding a suitable substance
6.  electronics
 a.  to suppress (sparking) when the current is cut off in an inductive circuit
 b.  to suppress (an oscillation or discharge) in a component or device
 
[Old English ācwencan to extinguish; related to Old Frisian quinka to vanish]
 
'quenchable
 
adj
 
'quencher
 
n
 
'quenchless
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

quench
O.E. acwencan "to quench" (of fire, light), from P.Gmc. *cwandjan, probably a causative form of root of O.E. cwincan "to go out, be extinguished," O.Fris. kwinka.
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
Boiler slag is the molten bottom ash collected at the base of slag tap and
  cyclone type furnaces that is quenched with water.
Pillow lavas form at seafloor volcanoes when magma is rapidly quenched in cold
  water.
Still,it would seem that the exuberant nature of the festival will not be
  quenched.
Turbulent flames have been reported to be quenched when turbulence levels
  become sufficiently high.
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