Surveillance - the art of surveying. Usually from afar, and unbeknownst to the surveyed.
The security team used surveillance cameras to monitor the building for any suspicious activity.
The security team uses surveillance cameras to monitor the activity in the parking lot 24/7.
Since he was suspected of commiting the crime, the police kept him under surveillance.The company installed a surveillance system in the supply room to try to reduce the excessive losses.
The new law will deprive citizens of their right to privacy by allowing increased surveillance.
The past tense of "surveillance" is "surveilled."
Surveillance is not a verb, so it does not have a past tense. The past tense of survey, would be surveyed, if that is what you are looking for.
Taylor and I rode in a surveillance truck.
This is a surveillance operation once the medicine is on the market.
During the 2012 London Olympics, surveillance was maintained by the usage of CCTVs.
Since he was suspected of committing the crime, the police kept him under surveillance.
The natural camouflage of the Cuttlefish regularly foils surveillance by its would-be predators. The Watergate plumbers pretended to be telephone repairmen so that they could install surveillance equipment. My cloak of invisibility prevents surveillance.
The security team uses surveillance cameras to monitor the activity in the parking lot 24/7.
Since he was suspected of commiting the crime, the police kept him under surveillance.The company installed a surveillance system in the supply room to try to reduce the excessive losses.
The team has been selected toparticipate in a covert surveillance operation next week.
what are the terrorist method of surveillance
What is the abbrevitaion of surveillance
The police apprehended the perpetrator of the crime after reviewing surveillance footage.
Surveillance is the monitoring of the behavior, activities, or other changing information, usually of the people for the purpose of influencing, managing, directing, or protecting. The various forms of counter surveillance are - computer surveillance, telephones, surveillance cameras, social network analysis, biometric surveillance, aerial surveillance, data mining and profiling, corporate surveillance, human operatives, satellite imagery and identification and credentials.