Surveillance is continuous watch
Random House 15 Random House Dictionary, © Random House, Inc. 2015. Dictionary.com Unabridged
http://dictionary.reference.com/browse/surveillance?s=t
Surveillance noun
1. a watch kept over a person, group, etc., especially over a suspect, prisoner, or the like:
The suspects were under police surveillance.
2. continuous observation of a place, person, group, or ongoing activity in order to gather information:
video cameras used for covert surveillance. See also electronic surveillance.
3. attentive observation, as to oversee and direct someone or something:
increased surveillance of patients with chronic liver disease.
Surveillance is constant watch
Webster's 10 Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc. http://www.yourdictionary.com/surveillance
Surveillance noun
close watch kept over someone, esp. a suspect
constant observation of a place or process
supervision or inspection
surveillance is continued observation
English Wiktionary 15 English Wiktionary. Available under CC-BY-SA license. http://www.yourdictionary.com/surveillance
Surveillance Noun (plural surveillances)
Close observation of an individual or group; person or persons under suspicion.
Continuous monitoring of disease occurrence for example.
(military, espionage) Systematic observation of places and people by visual, aural, electronic, photographic or other means.
(law) In criminal law, an investigation process by which police gather evidence about crimes, or suspected crime, through continued observation of persons or places.
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