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present participle and gerund of monitor examples
usually uncountable, plural monitorings
The carrying out of surveillance on, or continuous or regular observation of, an environment or people in order to detect signals, movements or changes of state or quality. quotations examples
NR is already 'on the case' here - its man in Inverness was trained some time ago (at his request, incidentally - good man!) in drone monitoring, which enables much longer aerial patrols than are possible on foot.
2020 August 26, Nigel Harris, “Comment Special: Catastrophe at Carmont”, in Rail, page 4