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interrogator

[in-ter-uh-gey-ter] /ɪnˈtɛr əˌgeɪ tər/
noun
1.
a person who interrogates.
2.
Also called challenger. Radio. a transmitter that emits a signal to trigger a transponder.
Origin of interrogator
1745-1755
1745-55; < Late Latin interrogātor; see interrogate, -tor
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for interrogator

interrogator

/ɪnˈtɛrəˌɡeɪtə/
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
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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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13
15
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