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detector

[dih-tek-ter] /dɪˈtɛk tər/
noun
1.
a person or thing that detects.
2.
a device for detecting smoke, fire, or some other hazardous condition.
3.
a device for detecting the presence of metal, contraband, or other items that might be hidden or concealed.
4.
Telecommunications.
  1. a device for detecting electric oscillations or waves.
  2. a device, as a crystal detector or a vacuum tube, that rectifies the alternating current in a radio receiver.
Origin of detector
1535-1545
1535-45; < Late Latin dētēctor revealer, equivalent to Latin dēteg(ere) to uncover, reveal (see detect) + -tor -tor
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for detector
Historical Examples
  • Edwardson asked, over the clamor of the detector alarm bell.

    The Hour of Battle Robert Sheckley
  • The detector, although the most important of the instruments, is perhaps the simplest.

    Boy Scouts Handbook Boy Scouts of America
  • But of course they didn't have our detector screens nor our armament.

    Triplanetary Edward Elmer Smith
  • It looped and turned, hunting, feeling with its every detector for that other ship.

    The Black Star Passes John W Campbell
  • His detector now was in his hand, but Halsey anticipated him by a second or two.

    Wandl the Invader Raymond King Cummings
  • He had his detector going, and Anita warned me not to try it.

    Wandl the Invader Raymond King Cummings
  • The first thing I want to ask you about is this detector of yours.

    That Sweet Little Old Lady Gordon Randall Garrett (AKA Mark Phillips)
  • "At first we thought of errors in the detector machine," he went on.

    That Sweet Little Old Lady Gordon Randall Garrett (AKA Mark Phillips)
  • No doubt they are all right; but just to pass time, I'll compare them with the detector here.

    The Confidence-Man Herman Melville
  • The detector was simple, though the tuning had to be precise.

    Deathworld Harry Harrison
British Dictionary definitions for detector

detector

/dɪˈtɛktə/
noun
1.
a person or thing that detects
2.
any mechanical sensing device
3.
(electronics) a device used in the detection of radio 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 detector
n.

1540s, from Latin detector "uncoverer, revealer," agent noun from detectus, past participle of detegere (see detect).

Online Etymology Dictionary, © 2010 Douglas Harper
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