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English definition of “observation”

observation

noun     /ˌɒbzəˈveɪʃən/
WATCHING [U] B2 the act of watching someone or something carefully: The doctor wants to keep him under observation for a week. to have good powers of observation (= to be good at noticing things) Using the eyesEyesight, glasses and lensesThe eye and surrounding areaPerceptive
REMARK [C] a remark about something that you have noticed: He made an interesting observation.Remarks and remarkingExpressing and asking opinions
(Definition of observation noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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