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English definition of “pioneer”

pioneer

noun [C]     /ˌpaɪəˈnɪər/
someone who is one of the first people to do something: one of the pioneers of modern scienceDescribing the leading position
pioneer verb [T] He pioneered the use of lasers in surgery.
(Definition of pioneer noun from the Cambridge Learner's Dictionary © Cambridge University Press)

Definitions of “pioneer” in other dictionaries

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