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attenuator

[ uh-ten-yoo-ey-ter ]

noun

, Electronics.
  1. a device for decreasing the amplitude of an electronic signal.

attenuator

/ əˈtɛnjʊˌeɪtə /

noun

  1. physics any device designed to reduce the power of a wave or electrical signal without distorting it
  2. a person or thing that attenuates
“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
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Word History and Origins

Origin of attenuator1

First recorded in 1920–25; attenuate + -or 2

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