Definition of “PhD” - English Dictionary

british dictionary

“PhD” in British English

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PhDnoun [ C ]

uk /ˌpiː.eɪtʃˈdiː/ us /ˌpiː.eɪtʃˈdiː/ UK also DPhil

abbreviation for doctor of philosophy: the highest college or university degree, or someone who has this:

Susannah has a PhD in Italian literature.
She's a PhD.

(Definition of “PhD” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)