Ph.D.
Americanabbreviation
plural
Ph.D.s-
the highest degree, a doctorate, awarded by a graduate school in a field of academic study, usually to a person who has completed at least three years of graduate study and a dissertation approved by a committee of professors.
-
a person who has been awarded this degree.
Etymology
Origin of Ph.D.
First recorded in 1870–75; from Latin Philosophiae Doctor
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
She earned her Ph.D. from Chulalongkorn University in 2001 and later completed postdoctoral research with the Japan Society for the Promotion of Science, JAPAN.
From Science Daily
Long flight delays are four times more common than they were in 1990, according to federal transportation data analyzed by Maxwell Tabarrok, a Ph.D. student at Harvard University.
That requires a Ph.D. from Georgetown, a fellowship at Brookings and prose so dense it could stop artillery.
From MarketWatch
Born in Sweden to a Swedish psychologist mother and American mathematician father, Tegmark studied economics before shifting to physics, earning his Ph.D. in the subject from the University of California at Berkeley.
As Boston’s biotech engine sputters, Ph.D.s can’t find work.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
