- to slake, satisfy, or allay (thirst, desires, passion, etc.).
- to put out or extinguish (fire, flames, etc.).
- to cool suddenly by plunging into a liquid, as in tempering steel by immersion in water.
- to subdue or destroy; overcome; quell: to quench an uprising.
- Electronics. to terminate (the flow of electrons in a vacuum tube) by application of a voltage.
Origin of quench
1150–1200; Middle English quenchen, earlier cwenken; compare Old English -cwencan in ācwencan to quench (cf. a-3)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for quencher
Barbara had still a word to say, and disregarded this quencher.Michael
E. F. Benson
- to satisfy (one's thirst, desires, etc); slake
- to put out (a fire, flame, etc); extinguish
- to put down or quell; suppressto quench a rebellion
- to cool (hot metal) by plunging it into cold water
- physics to reduce the degree of (luminescence or phosphorescence) in (excited molecules or a material) by adding a suitable substance
- to suppress (sparking) when the current is cut off in an inductive circuit
- to suppress (an oscillation or discharge) in a component or device
Old English ācwencan to extinguish; related to Old Frisian quinka to vanish
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for quencher
Old English acwencan "to quench" (of fire, light), from Proto-Germanic *cwandjan, probably a causative form of root of Old English cwincan "to go out, be extinguished," Old Frisian kwinka. Related: Quenched; quenching.
Online Etymology Dictionary, © 2010 Douglas Harper