Best Answer: A PhD is a research based degree. Physicians are MDs, Medical Doctors or DOs, Osteopathic Doctors. So to become a physician, you do not need a PhD. Generally, PhDs are awarded in fields outside of medicine. Also, while NPs and Physician Assistants can prescribe medication, they only practice under the supervision of an MD or DO. That is, there are only two types of doctor.
Princeton's WordNet(4.75 / 4 votes)Rate this definition: 1  light, illumination(noun) a condition of spiritual awareness; divine illumination. 2  illumination(noun) the degree of visibility of your environment. 3  clarification, elucidation, illumination(noun) an interpretation that removes obstacles to understanding.
Lighting is what turns your home into a place for doing things you love â whether it's reading a book, preparing dinner or getting cozy on the sofa. Thatâs why you'll find so many ways to make your home a little brighter â and energy efficient ways of keeping it that way. Sustainable life at home.