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English definition of “monitor”

monitor

verb [T]     /ˈmɒnɪtər/
to watch a situation carefully for a period of time in order to discover something about it: The government had agreed to allow the inspectors to monitor the refuelling process. Police froze his bank accounts and monitored his ATM card in case he tried to make a transaction. Comings and goings are monitored by security cameras.
(Definition of monitor verb from the Cambridge Business English Dictionary © Cambridge University Press)
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