de·​tec·​tion | \ di-ˈtek-shən How to pronounce detection (audio) \

Definition of detection

1 : the act of detecting : the state or fact of being detected
2 : the process of demodulating

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
Recent Examples on the Web Brian Kuleski, division director for DHS’ mobile detection program, said being able to provide high-tech equipment to local jurisdictions helps address potential threats. Jozsef Papp, ajc, 3 Aug. 2022 Besides the low upfront cost, our experts were impressed by the camera’s sharp picture quality, responsive motion detection and clear two-way audio. Dan Diclerico, Good Housekeeping, 29 July 2022 Indoor cameras can have night vision and motion detection, which send alerts to the homeowner's phone when any movement is picked up. Kat De Naoum, Better Homes & Gardens, 29 July 2022 Another notable strength of the instrument is its—so to speak—agnostic attitude toward life detection. Allison Gasparini, Scientific American, 27 July 2022 That case began in the thick brush country eight miles from the Rio Grande, in Carrizo Springs, a popular transit point for people trying to elude detection. New York Times, 25 July 2022 One detection of 13617 shark was reported early on Saturday morning. Julia Musto, Fox News, 23 July 2022 The virus could be treated at the very first sign of symptoms, and possibly even during the asymptomatic incubation period if testing technology advances to permit detection at that stage. Benjamin Ryan, NBC News, 22 July 2022 Products achieved the primary customer needs of performance specifications and continuous fault detection capabilities for safety-critical applications. Stephen Ibaraki, Forbes, 12 July 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'detection.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of detection

15th century, in the meaning defined at sense 1

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

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Last Updated

6 Aug 2022

Cite this Entry

“Detection.” Dictionary, Merriam-Webster, Accessed 16 Aug. 2022.

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More Definitions for detection


de·​tec·​tion | \ di-ˈtek-shən How to pronounce detection (audio) \

Kids Definition of detection

: the act of learning that something or someone is or was there : discovery The clever thief escaped detection.

More from Merriam-Webster on detection

Nglish: Translation of detection for Spanish Speakers

Britannica English: Translation of detection for Arabic Speakers Encyclopedia article about detection


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