What does PhD stand for?

The abbreviation PhD stands for Doctor of Philosophy. It is the highest academic degree that can be awarded by a university, and it typically takes several years of study and research to earn. PhD candidates must complete a doctoral dissertation, which is an original piece of research that makes a significant contribution to their field of study. After successfully defending their dissertation, PhD candidates are awarded the title of "Doctor" and are often referred to as "Dr." in their professional roles.