Definition of practitioner noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//prækˈtɪʃənə(r)//
    ; NAmE NAmE//prækˈtɪʃənər//
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  1. 1(specialist) a person who works in a profession, especially medicine or law dental practitioners a qualified practitioner see also general practitioner
  2. 2(formal) a person who regularly does a particular activity, especially one that requires skill one of the greatest practitioners of science fiction
  3. Word Originmid 16th cent.: extension of obsolete practitian, variant of practician, from Old French practicien, from practique ‘practical’, via late Latin from Greek praktikos ‘concerned with action’, from prattein ‘do, act’.
See the Oxford Advanced American Dictionary entry: practitioner