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Synonyms

detect

American  
[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.


detect British  
/ dɪˈtɛkt /

verb

  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)

"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

Usage

What are other ways to say detect?

To detect is to discover something hidden or unknown. When should you use detect over learn, discover, or ascertain? Find out on Thesaurus.com. 

Other Word Forms

  • detectability noun
  • detectable adjective
  • detecter noun
  • detectibility noun
  • detectible adjective
  • predetect verb (used with object)
  • undetectable adjective
  • undetectably adverb
  • undetected adjective
  • undetectible adjective

Etymology

Origin of detect

First recorded in 1400–50; late Middle English, from Latin dētēctus “discovered,” past participle of dētegere “to uncover, discover,” from dē- de- + tegere “to cover”; thatch

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This sophisticated form of Raman spectroscopy uses a laser to detect the unique chemical fingerprints of molecules within tissue.

From Science Daily

Researchers also detected rare inclusions of lechatelierite, a high temperature glassy silica that forms during extreme heating, further confirming an impact origin.

From Science Daily

To measure that speed, astronomers typically need to detect light from the merger or identify the galaxy where it occurred.

From Science Daily

Faint signals of resistance can be detected from unlikely quarters.

From Salon

In Israel, sirens were heard across the country after the Israeli military said it had detected an incoming Iranian missile barrage.

From BBC