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squelch

[skwelch]
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verb (used with object)
  1. to strike or press with crushing force; crush down; squash.
  2. to put down, suppress, or silence, as with a crushing retort or argument.
verb (used without object)
  1. to make a splashing sound.
  2. to tread heavily in water, mud, wet shoes, etc., with such a sound.
noun
  1. a squelched or crushed mass of anything.
  2. a splashing sound.
  3. an act of squelching or suppressing, as by a crushing retort or argument.
  4. Also called squelch circuit, noise suppressor. Electronics. a circuit in a receiver, as a radio receiver, that automatically reduces or eliminates noise when the receiver is tuned to a frequency at which virtually no carrier wave occurs.

Origin of squelch

1610–20; variant of quelch in same sense (perhaps blend of quell and quash); initial s perhaps from squash1
Related formssquelch·er, nounsquelch·ing·ly, adverbsquelch·ing·ness, nounun·squelched, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for squelch

squelch

verb
  1. (intr) to walk laboriously through soft wet material or with wet shoes, making a sucking noise
  2. (intr) to make such a noise
  3. (tr) to crush completely; squash
  4. (tr) informal to silence, as by a crushing retort
noun
  1. a squelching sound
  2. something that has been squelched
  3. electronics a circuit that cuts off the audio-frequency amplifier of a radio receiver in the absence of an input signal, in order to suppress background noise
  4. informal a crushing remark
Derived Formssquelcher, nounsquelching, adjectivesquelchy, adjective

Word Origin

C17: of imitative origin
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 squelch

v.

1620s, "to fall, drop, or stomp on something (soft) with crushing force," possibly imitative of sound made. The figurative sense of "suppress completely" is first recorded 1864.

Online Etymology Dictionary, © 2010 Douglas Harper