PhD stands for "Doctor of Philosophy." It is the highest postgraduate academic degree awarded after completing significant and original research in a specific field of study. Despite the name, a PhD is not limited to philosophy; it can be earned in a wide range of disciplines including sciences, humanities, social sciences, and engineering. The term "philosophy" here reflects the original Greek meaning of "love of wisdom," indicating a deep dedication to knowledge and understanding
. Earning a PhD typically involves several years of coursework, comprehensive exams, and the completion of a dissertation or thesis that contributes new knowledge or insights to the field. PhD holders are recognized as experts and often pursue careers in academia, research, or specialized professional roles
