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English definition of “monitor”

monitor

noun [C]
 
 
/ˈmɒnɪtər/
SCREEN B2 a screen that shows information or pictures, usually connected to a computer: a colour monitor Computer hardwareMachine parts
MACHINE a machine, often in a hospital, that measures something such as the rate that your heart beats: a heart monitor Machine parts
PERSON someone who watches something to make certain that it is done correctly or fairly: a human rights monitorProtection and protectorsEnvironmental issues
(Definition of monitor noun from the Cambridge Learners Dictionary © Cambridge University Press)
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