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

These events are extremely rare, requiring massive datasets and highly refined detection techniques. —Rupendra Brahambhatt, Interesting Engineering, 28 Mar. 2026

Weiner also touted the NYPD’s network of cameras and sensors, which are monitored by members of the NYPD’s intelligence division, and international liaison officers posted in the Middle East as elements providing the department with early-warning detection capabilities. —Colin Mixson, New York Daily News, 27 Mar. 2026

Shimel and Ashley propose a layered approach where AI agents and third-party threat detection models will be necessary to place adequate guardrails on agents. —Neil J. Rubenking, PC Magazine, 27 Mar. 2026

Detectives also discovered that the suspect had altered his appearance on some occasions to resemble a female in an apparent effort to avoid detection, according to the Police Department. —Rosalio Ahumada, Sacbee.com, 27 Mar. 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