detection

[dih-tek-shuhn]
noun
1.
the act of detecting.
2.
the fact of being detected.
3.
discovery, as of error or crime: chance detection of smuggling.
4.
Telecommunications.
a.
rectification of alternating signal currents in a radio receiver.
b.
Also called demodulation. the conversion of an alternating, modulated carrier wave or current into a direct, pulsating current equivalent to the transmitted information-bearing signal.

Origin:
1425–75; late Middle English < Late Latin dētēctiōn- (stem of dētēctiō), equivalent to Latin dētēct(us) (see detect) + -iōn- -ion

predetection, noun
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
detection (dɪˈtɛkʃən)
 
n
1.  the act of discovering or the fact of being discovered: detection of crime
2.  See also demodulation the act or process of extracting information, esp at audio or video frequencies, from an electromagnetic wave

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

detection
late 15c., from L. detectionem (nom. detectio), pp. of detegere (see detect).
Online Etymology Dictionary, © 2010 Douglas Harper
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Encyclopedia Britannica
Encyclopedia

detection

in electronics, the process of rectifying a radio wave and recovering any information superimposed on it; it is essentially the reverse of modulation (q.v.).

Learn more about detection with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
And now they've determined the details behind that detection.
His acuteness in the detection of errors is no less admirable than is the
  ingenuity shown in their correction.
The wrong is indifferent to him until the fear of detection and punishment
  steals in upon him.
Detection could not be in your power, and suspicion certainly not in your
  inclination.
Images for detection
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