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detect

[dih-tekt]
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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.
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Origin of detect

1400–50; late Middle English < Latin dētēctus (past participle of dētegere), equivalent to dē- de- + teg(ere) to cover + -tus past participle suffix
Related formsde·tect·a·ble, de·tect·i·ble, adjectivede·tect·a·bil·i·ty, de·tect·i·bil·i·ty, nounpre·de·tect, verb (used with object)un·de·tect·a·ble, adjectiveun·de·tect·a·bly, adverbun·de·tect·ed, adjectiveun·de·tect·i·ble, adjective

Synonym study

2. See learn.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for detected

detect

verb (tr)
  1. to perceive or noticeto 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)
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Derived Formsdetectable or detectible, adjectivedetecter, 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

Word Origin and History for detected

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.

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Online Etymology Dictionary, © 2010 Douglas Harper