monitor
noun [ C ]
uk/ˈmɒnɪtər/ us IT
a computer screen:
Adjust your monitor if the colour does not appear quite right.
LAW
a person or organization whose job is to make certain that something is done properly or honestly:
The process will be watched closely during the next three years by an independent monitor.
IT
a machine that regularly watches or tests and records something:
The acoustical monitor will collect real-time data and filter out non-whale noises.
a surveillance monitor
a blood pressure/heart monitor
monitor
verb [ T ]
uk/ˈmɒnɪtər/ usto 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.