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English definition of “oracle”

oracle

noun [C]     /ˈɒr.ə.kl̩/ US  /ˈɔːr-/
(especially in ancient Greece) a female priest who gave people wise but often mysterious advice from a god, or the advice givenGreek and Roman mythPeople who perform magic or have paranormal abilities someone who knows a lot about a subject and can give good advice: Professor Ross is regarded as the oracle on eating disorders.Giving advice
(Definition of oracle noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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