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English definition of “observation”

observation

noun [U] (WATCHING)    /ˌɒb.zəˈveɪ.ʃən/ US  /ˌɑːb.zɚ-/
B2 the act of observing something or someone: close observation of nature/human nature/animal behaviour The police are keeping the suspect under observation. She was admitted to hospital for observation (= so that doctors could watch her and see if anything was wrong with her).Using the eyesEyesight, glasses and lensesThe eye and surrounding areaPerceptive
(Definition of observation noun (WATCHING) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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