PhD

abbreviation or noun

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

Examples of PhD in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Scarcity of Top AI Talent Competition centers on specialized AI researchers from elite PhD programs with machine learning backgrounds and veterans who already spearheaded key innovations in top companies. Gerui Wang, Forbes.com, 12 July 2025 Led by Stanford PhD candidate Jared Moore, the team reviewed therapeutic guidelines from organizations including the Department of Veterans Affairs, American Psychological Association, and National Institute for Health and Care Excellence. ArsTechnica, 11 July 2025 The findings show that better sleep doesn’t have to be complicated, says study coauthor Marie-Pierre St-Onge, PhD, a professor of nutritional medicine at the Columbia University Irving Medical Center in New York. Rob Williams, EverydayHealth.com, 11 July 2025 Otte has a PhD from the University of Cologne and produced a study titled Skill Acquisition Training Methods in Modern Football Goalkeeping. Jay Harris, New York Times, 10 July 2025 See All Example Sentences for PhD

Word History

Etymology

New Latin philosophiae doctor

First Known Use

1839, in the meaning defined above

Time Traveler
The first known use of PhD was in 1839

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Cite this Entry

“PhD.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/PhD. Accessed 18 Jul. 2025.

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