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
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The 3:1 approach may also be effective for some people wishing to decrease overall caffeine intake and become less reliant on caffeine, according to Dara Ford, PhD, RD, the program director of the Master of Science in Nutrition Education at American University. Mira Miller, Verywell Health, 25 July 2025 While every kid is different, Jonathan Haidt, PhD, social psychologist and author of the bestselling book The Anxious Generation, suggests no smartphones before high school and no social media before the age of 16. Katie Grant, Parents, 25 July 2025 Lauri Wright, PhD, RDN, director of nutrition programs and associate professor at the USF College of Public Health, agreed that the idea of eating three meals a day is cultural, evolving largely from social norms, work schedules and industrialization rather than scientific evidence. Angelica Stabile, FOXNews.com, 24 July 2025 Tyler, the Creator has a PhD in the art of the pop-up show. Elise Brisco, Rolling Stone, 24 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 29 Jul. 2025.

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