detection

noun

de·​tec·​tion di-ˈtek-shən How to pronounce detection (audio)
Synonyms of detectionnext
1
: the act of detecting : the state or fact of being detected
2
: the process of demodulating

Synonyms of detection

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Examples of detection in a Sentence

I don't know how the errors managed to avoid detection for so long. my detection of the scent of baked apple pie led me to the kitchen
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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This idea changed how doctors and scientists study cognitive health by emphasizing earlier detection and lifestyle changes. — Richard Sima, Washington Post, 27 Oct. 2026 For example, a detection may work when an attack follows an expected sequence but miss the same activity when the timing changes or individual actions occur in a different order. — Lee Rossey, Forbes.com, 26 Oct. 2026 Autofocus has been upgraded too, and subject detection now recognizes birds as well as people and animals. — New Atlas, 26 Oct. 2026 In fact, though rogue AI agents dominate talk of the future, AI has already changed cybercrime for good, said Arjun Bisen, cofounder and CEO at digital threat detection startup Overwatch. — Allie Garfinkle, Fortune, 26 Oct. 2026 See All Example Sentences for detection

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of detection was in the 15th century

Phrases Containing detection

Rhymes for detection

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Browse Nearby Words

detecter
detection
detective
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Cite this Entry

“Detection.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/detection. Accessed 27 Oct. 2026.

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More from Merriam-Webster on detection

Britannica.com: Encyclopedia article about detection

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