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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 of detect
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. 2017.
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Examples from the Web for detect
Contemporary Examples
Historical Examples
  • In more than one case, we seem to detect an actual portrait.

  • How often, my dear, have you and I endeavoured to detect and censure this partial spirit in others?

    Clarissa, Volume 2 (of 9) Samuel Richardson
  • He could detect a design upon it when nobody else had any perception of the fact.

    Little Dorrit Charles Dickens
  • The eye could not detect one creature in the group free from the smear of blood.

    A Tale of Two Cities Charles Dickens
  • The spy had kept his eyes open, but had been able to detect no sign.

    A Tale of Two Cities Charles Dickens
British Dictionary definitions for detect

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
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for 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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Word Value for detect

9
10
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