Definition of expert system noun from the Oxford Advanced Learner's Dictionary


expert system

BrE BrE//ˌekspɜːt ˈsɪstəm//
; NAmE NAmE//ˌekspɜːrt ˈsɪstəm//
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a computer system that can provide information and expert advice on a particular subject. The program asks users a series of questions about their problem and gives them advice based on its store of knowledge. expert systems to aid medical diagnosis
See the Oxford Advanced American Dictionary entry: expert system