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English definition of “expert”

expert

noun [C]
 
 
/ˈekspɜːt/
a person with a high level of knowledge or skill: an expert on sth The professor is an expert on the rights of tax-exempt organizations.an expert at sth We need someone who is an expert at display design.an expert in sth He is a leading expert in the field of waste management. a marketing/security/computer expert medical/legal/financial experts a world/industry/international expert a top/leading/acknowledged expert
(Definition of expert noun from the Cambridge Business English Dictionary © Cambridge University Press)
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