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

• 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

Early detection and treatment of sepsis is essential to preventing life-threatening complications that damage the kidney, heart, liver, brain and other organs, according to Long. —Dr. Marc Siegel , Melissa Rudy, FOXNews.com, 5 Oct. 2025

Officials, including Michigan Attorney General Dana Nessel and Genesee County law enforcement, provided guidance on threat detection, emergency response and security measures for places of worship. —Nour Rahal, Freep.com, 4 Oct. 2025

This initiative would not be a physical wall, but instead a layered network of detection and interception systems, building on individual EU members’ anti-drone capabilities. —Laura Sharman, CNN Money, 4 Oct. 2025

Guttuso’s team employs dive crews and a fleet of boats and uses underwater metal detection-devices, plus hand-fanning of sand or sand suction to comb the sea floor, according to a public notice for a federal permit application the company filed. —Kate Payne, Fortune, 3 Oct. 2025

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