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

For the last six years, Kernul worked as an agriculture detection dog with Sacramento County, sniffing out produce that can carry invasive insects and disease. —CBS News, 20 Dec. 2025

Fortunately, switching to LED bulbs can save you a lot of money, as can using motion-detection lighting. —Brandee Gruener, Southern Living, 20 Dec. 2025

Early detection may help identify vision issues sooner, which can support a child’s comfort during learning and everyday activities. —Matthew Kayser, Ascend Agency, 19 Dec. 2025

Thus far, astronomers have made the unambiguous detection of just one kilonova when, in 2017, the Laser Interferometer Gravitational-wave Observatory (LIGO) and its European partner, Virgo, detected the gravitational wave signal known as GW170817. —Robert Lea, Space.com, 19 Dec. 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