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interrogator

[in-ter-uh-gey-ter]
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noun
  1. a person who interrogates.
  2. Also called challenger. Radio. a transmitter that emits a signal to trigger a transponder.

Origin of interrogator

1745–55; < Late Latin interrogātor; see interrogate, -tor
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for interrogator

interrogator

noun
  1. a person who interrogates
  2. a radio or radar transmitter used to send interrogating signals
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 interrogator

n.

1751, from Late Latin interrogator, agent noun from interrogare (see interrogation).

Online Etymology Dictionary, © 2010 Douglas Harper

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