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detect

[dih-tekt] /dɪˈtɛkt/
verb (used with object)
1.
to discover or catch (a person) in the performance of some act:
to detect someone cheating.
2.
to discover the existence of:
to detect the odor of gas.
3.
to find out the true character or activity of:
to detect a spy.
4.
Telecommunications.
  1. to rectify alternating signal currents in a radio receiver.
  2. to demodulate.
Origin
late Middle English
1400-1450
1400-50; late Middle English < Latin dētēctus (past participle of dētegere), equivalent to dē- de- + teg(ere) to cover + -tus past participle suffix
Related forms
detectable, detectible, adjective
detectability, detectibility, noun
predetect, verb (used with object)
undetectable, adjective
undetectably, adverb
undetected, adjective
undetectible, adjective
Synonym Study
2. See learn.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for detects
  • When hunting, rattlesnakes primarily rely on their pit organ, which detects infrared.
  • One roller detects the horizontal motion of the mouse and other the vertical motion.
British Dictionary definitions for detects

detect

/dɪˈtɛkt/
verb (transitive)
1.
to perceive or notice: to detect a note of sarcasm
2.
to discover the existence or presence of (esp something likely to elude observation): to detect alcohol in the blood
3.
to extract information from (an electromagnetic wave)
4.
(obsolete) to reveal or expose (a crime, criminal, etc)
Derived Forms
detectable, detectible, adjective
detecter, noun
Word Origin
C15: from Latin dētectus uncovered, from dētegere to uncover, from de- + tegere to cover
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for detects

detect

v.

early 15c., from Latin detectus, past participle of detegere "uncover, expose," figuratively "discover, reveal, disclose," from de- "un-, off" (see de-) + tegere "to cover" (see stegosaurus). Related: Detected; detecting.

Online Etymology Dictionary, © 2010 Douglas Harper
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