detection meaning and definition

DETECTION noun

Definition of detection (noun)

1. the perception that something has occurred or some state exists
   • "early detection can often lead to a cure"
   • synonyms: sensing
2. the act of detecting something; catching sight of something
   • synonyms: catching, espial, spotting, spying
3. the detection that a signal is being received
   • synonyms: signal detection
4. a police investigation to determine the perpetrator
   • "detection is hard on the feet"
   • synonyms: detecting, detective work, sleuthing