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English definition of “observatory”

observatory

noun [C]     /əbˈzɜː.və.tər.i/ US  /-ˈzɝː.və.tɔːr.i/
a building from which scientists can watch the planets, the stars, the weather, etc.Astronomy - general words
(Definition of observatory noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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