detection

noun

de·​tec·​tion di-ˈtek-shən 

1

: the act of detecting : the state or fact of being detected

2

: the process of demodulating

Synonyms of detection

• discovery

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

Dave Coulier credited early cancer detection with saving his life – twice. —Lauryn Overhultz, FOXNews.com, 8 Feb. 2026

Edwards, who trains such police departments as the New York Police Department on drone threat mitigation, points to fiber-optic drones that can evade radio frequency detection systems as a particular concern. —Anna Schecter, CBS News, 7 Feb. 2026

The Hurst Building was outfitted with a state-of-the-art fire detection system similar to — but not the same as — a smoke alarm. —Jacques Kelly, Baltimore Sun, 7 Feb. 2026

After a thorough investigation involving canine detection units, police said no explosive devices were found and the building was clear. —Julianna Duennes Russ, Austin American Statesman, 6 Feb. 2026

Word History

First Known Use

15th century, in the meaning defined at sense 1

Phrases Containing detection

• escape detection
• evade detection

Rhymes for detection

• abjection
• advection
• affection
• bijection
• bisection
• collection
• complexion
• confection
• connection
• connexion
• convection
• correction