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

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
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 is a point source detection problem, in which the multiple sources of a complex signal are located. John Werner, Forbes.com, 25 Jan. 2026 This would have been an instance where ShotSpotter gunshot-detection technology, which was deployed in this neighborhood until September 2024, could have helped pinpoint the location of her body. The Editorial Board, Chicago Tribune, 23 Jan. 2026 And perhaps such improvements in treatment and detection will eventually bring colorectal cancer survival in line with that of other cancers. Lauren J. Young, Scientific American, 22 Jan. 2026 Early detection is critical for avoiding large-scale outbreaks and avoiding disease and deaths, says Osterholm. Alice Park, Time, 22 Jan. 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

Browse Nearby Words

Cite this Entry

“Detection.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/detection. Accessed 28 Jan. 2026.

More from Merriam-Webster on detection

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!