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English definition of “pioneer”

pioneer

noun [C] uk   /ˌpaɪəˈnɪər/ us    /-ˈnɪr/
C2 a person who is one of the first people to do something: one of the pioneers of modern science a pioneer heart surgeon a person who goes to an area and builds a house, begins a farm, etc.: The pioneers went west across North America, cutting down forests and planting new crops.

pioneer

verb [T] uk   /ˌpaɪəˈnɪər/ us    /-ˈnɪr/
to be one of the first people to do something: It was universities that pioneered these new industries.
(Definition of pioneer from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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