Ph.D. Meaning: Definition, Examples, and Translations

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Ph.D.

[ˌpiː ˌeɪtʃ ˈdiː ]

Definition

Context #1 | Noun

academic degree

A Ph.D. is a doctoral degree that is awarded to individuals who have made a significant and original contribution to their field of study. It is the highest academic qualification one can achieve and is typically earned after several years of research and the completion of a dissertation.

Synonyms

Doctor of Philosophy, doctorate.

Which Synonym Should You Choose?

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Word Description / Examples
Ph.D.

Commonly used in both spoken and written communication to refer to someone who has completed a doctoral degree in a specific discipline. Often used to signal high academic achievement.

  • She earned her Ph.D. in Physics from MIT.
  • He is pursuing a Ph.D. in Economics.
Doctor of Philosophy

This term is often used in formal or academic writing, such as university records, official documents, or applications. It fully spells out the nature of the degree.

  • She holds a Doctor of Philosophy in Linguistics.
  • The university offers several Doctor of Philosophy programs.
doctorate

A broader, less specific term that can be used in both spoken and academic contexts to refer to any doctoral degree, not necessarily a Ph.D.

  • He completed his doctorate last year.
  • A doctorate is required for many advanced research positions.

Examples of usage

  • Alice spent five years conducting research for her Ph.D. in Chemistry.
  • John defended his Ph.D. thesis in front of a panel of experts.
  • The Ph.D. program requires students to publish their research in peer-reviewed journals.
  • Receiving a Ph.D. opens up many career opportunities in academia and industry.
  • After earning his Ph.D., David was offered a teaching position at a prestigious university.

Translations

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Origin of 'Ph.D.'

The term Ph.D. stands for Doctor of Philosophy, although the degree is not limited to the field of philosophy. The modern concept of a Ph.D. as a research-based doctoral degree originated in Germany in the early 19th century and has since become the standard for advanced academic qualifications in many countries around the world. The abbreviation Ph.D. is widely recognized and respected in academic and professional circles.