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squelch circuit

 - 2 dictionary results

squelch

[skwelch] ,
–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)
3. to make a splashing sound.
4. to tread heavily in water, mud, wet shoes, etc., with such a sound.
–noun
5. a squelched or crushed mass of anything.
6. a splashing sound.
7. an act of squelching or suppressing, as by a crushing retort or argument.
8. 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:
1610–20; var. of quelch in same sense (perh. b. quell and quash ); initial s perh. from squash 1


squelcher, noun
squelch⋅ing⋅ly, adverb
squelch⋅ing⋅ness, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Word Origin & History

squelch  (v.)
1624, "to fall, drop, or stomp on something (soft) with crushing force," possibly imitative of sound made. The fig. sense of "suppress completely" is first recorded 1864.
Online Etymology Dictionary, © 2001 Douglas Harper
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