detection

Detection is the act of noticing or discovering something. At the airport, you might see German Shepherds trained in the detection of drug smuggling or explosives in luggage.

Detection, detect, detective, detector — all are about noticing and discovering. A detective looks for clues that lead to the detection of the person who committed a crime. A metal detector is a machine created for the detection of coins people have left behind on the beach. Some teachers seem to have a third eye they use primarily for the detection of kids passing notes, or checking their cell phones during class.

Definitions of detection
  1. noun
    the perception that something has occurred or some state exists
    “early detection can often lead to a cure”
    synonyms: sensing
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    type of:
    perception
    the process of perceiving
  2. noun
    the act of detecting something; catching sight of something
    synonyms: catching, espial, spotting, spying
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    type of:
    discovery, find, uncovering
    the act of discovering something
  3. noun
    the detection that a signal is being received
    synonyms: signal detection
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    type of:
    reception
    quality or fidelity of a received broadcast
  4. noun
    a police investigation to determine the perpetrator
    detection is hard on the feet”
    synonyms: detecting, detective work, sleuthing
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    type of:
    police investigation, police work
    the investigation of criminal activities
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