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Synonyms

Ph.D.

American

[pee-eych-dee] / ˈpiˌeɪtʃˈdi /

abbreviation

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

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.