单词	PhD
释义	PhD abbreviation or noun ˌpē-ˌāch-ˈdē  variants or Ph.D. plural PhDs or Ph.D.s : the academic degree, title, or rank of doctor of philosophy He was awarded a PhD in economics. Jane Smith, Ph.D. also : a person who has earned the academic degree of doctor of philosophy The Cold Spring Harbor Laboratory Watson School of Biological Sciences graduated its first PhDs (14 of them) in June 2004 … Horace Freeland Judson Word History Etymology New Latin philosophiae doctor First Known Use 1839, in the meaning defined above
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