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specialist noun

Click to hear the UK pronunciation of this wordClick to hear the US pronunciation of this word/ˈspeʃ.əl.ɪst/ n [C]

Definition

someone who has a lot of experience, knowledge or skill in a particular subject
a software specialist
She's a specialist in modern French literature.
specialist advice/help
(UK also consultant) a doctor who has special training in and knowledge of a particular area of medicine
She's a specialist in childhood illnesses.
I've asked to be referred to a specialist about my back pain.
a leading cancer/eye specialist

(Definition of specialist noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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