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.
This lamp is lit. This lamp is lit. The definition of lit is a slang term for drunk or intoxicated. An example of lit is to tell a story about a friend who had too many drinks the night before and say âHe was lit.â. Lit is defined as a common abbreviation for literature. An example of lit is taking a college course called English Lit. Lit means to have brightened something with light or flames. 1  An example of lit is to have started a fire. 2  An example of lit is to have turned on a lamp.