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  1. Oxford Dictionary

    Pelletier, Pierre-Joseph

    • IPA[ˌpɛlɛˈtɪeɪ]

    英式

    • ph.
      (1788–1842), French chemist. With his friend Joseph-Bienaimé Caventou (1795–1877) he isolated a number of alkaloids for the first time. Pelletier and Caventou also isolated the green pigment of leaves and gave it the name chlorophyll.