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English definition of “expert”

expert

noun [C]     /ˈek.spɜːt/ US  /-spɝːt/
B1 a person with a high level of knowledge or skill relating to a particular subject or activity: a gardening/medical expert My mother is an expert at dress-making (= she does it very well).Experts and specialists
(Definition of expert noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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