detection

American  

[dih-tek-shuhn] / dɪˈtɛk ʃən /

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.

   1. rectification of alternating signal currents in a radio receiver.

   2. 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.

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detection British  

/ dɪˈtɛkʃən /

noun

1. the act of discovering or the fact of being discovered

   detection of crime

2. the act or process of extracting information, esp at audio or video frequencies, from an electromagnetic wave See also demodulation

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Other Word Forms

• predetection noun

Etymology

Origin of detection

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

Example Sentences

Since then, perovskites have also shown promise in LEDs, as well as X-ray detection and imaging technologies.

From Science Daily • Apr. 10, 2026

“Preventing future Mythos level attacks and remediating identified vulnerabilities requires the participation of the broader security industry, domain expertise, and deterministic detection, which Anthropic can’t deliver,” the analysts say.

From The Wall Street Journal • Apr. 8, 2026

But people who skip paying taxes shouldn’t count on an understaffed IRS to help them avoid detection.

From MarketWatch • Apr. 6, 2026

Not only that, but other troops would have to come along to set up “perimeter defenses,” i.e., to protect the special-ops soldiers from Iranian detection and attack.

From Slate • Apr. 1, 2026

It has been deployed also by the military for mine detection, to search for lost submarines and, in one highly publicized case, to search for a hydrogen bomb lost at sea.

From "Shipwrecked!" by Martin W. Sandler

Related Words

• disclosure