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1. Oxford American Dictionary

   Moseley, Henry

   • IPA[ˈmōzlē]

   美式

   • ph.
     (1887–1915), English physicist; full name Henry Gwyn Jeffreys Moseley. He determined the atomic numbers of elements from their X-ray spectra, demonstrated that an element's chemical properties are determined by this number, and showed that there are only 92 naturally occurring elements.