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English definition of “monitor”

monitor

noun [C]     /ˈmɒnɪtər/
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
(Definition of monitor noun from the Cambridge Business English Dictionary © Cambridge University Press)
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