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surveillance

Definitions of surveillance
  1. noun
    close observation of a person or group (usually by the police)
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    types:
    garde
    a purposeful surveillance to guard or observe
  2. noun
    the duty of serving as a sentry
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    type of:
    mission
    a duty that you are assigned to perform (especially in the armed forces)
  3. noun
    the activity of protecting something from loss or danger
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    types:
    conservation, maintien, protection de la nature
    the preservation and careful management of the environment and of natural resources
    conservation, protection
    preservation of yourself from harm; a natural or instinctive tendency
    type of:
    abri, protection
    the activity of protecting someone or something
  4. noun
    the act of making and recording a measurement
    synonyms: observation
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    type of:
    mesure
    the act or process of assigning numbers to phenomena according to a rule
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