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Origin of Ph.D.
< Latin Philosophiae Doctor

Doctor of Philosophy

Also called doctorate. the highest degree awarded by a graduate school, usually to a person who has completed at least three years of graduate study and a dissertation approved by a board of professors.
a person who has been awarded this degree.
Abbreviation: Ph.D. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for ph.d

Doctor of Philosophy

a doctorate awarded for original research in any subject except law, medicine, or theology Abbreviation PhD, DPhil
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for ph.d


attested from 1869; abbreviation of Latin Philosophiae Doctor "Doctor of Philosophy."

Online Etymology Dictionary, © 2010 Douglas Harper
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ph.d in Medicine

Ph.D. abbr.
Latin Philosophiae Doctor (Doctor of Philosophy)

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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