observation


ob·ser·va·tion

noun \ˌäb-sər-ˈvā-shən, -zər-\

Definition of OBSERVATION

1
: the noting of a fact or occurrence (as in nature) often involving the measurement of some magnitude with suitable instruments <temperature observations>; also : a record so obtained
2
: close watch or examination (as to monitor or diagnose a condition) <postoperative observation> <psychiatric observation>

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