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  1. ex·pert
    IPA[ˈekˌspərt]
  2. noun

    • 1. a person who has a comprehensive and authoritative knowledge of or skill in a particular area:

      a financial expert

    adjective

    • 1. having or involving authoritative knowledge:

      he had received expert academic advice
  3. Variation

    • n.: noun: expert, plural noun: experts

    • noun

      a person who is very knowledgeable about or skilful in a particular area:
    • adjective

      having or involving a great deal of knowledge or skill in a particular area:
    • noun

      a piece of software programmed using artificial intelligence techniques. Such systems use databases of expert knowledge to offer advice or make decisions in such areas as medical diagnosis and trading on the stock exchange.
    • noun

      a person who is permitted to testify at a trial because of special knowledge or proficiency in a particular field that is relevant to the case:
    • noun

      a person without professional or specialized knowledge in a particular subject:
    • adjective

      not having or involving professional or specialized knowledge:
    • noun

      a person whose level of specialized knowledge or skill in a particular field qualifies them to present their opinion about the facts of a case during legal proceedings:
    • noun

      a piece of software which uses databases of expert knowledge to offer advice or make decisions in such areas as medical diagnosis.
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