a prefix meaning âaboutâ or âaroundâ (perimeter, periscope), âenclosingâ or âsurroundingâ (pericardium), and ânearâ (perigee, perihelion), appearing in loanwords from Greek (peripeteia); on this model, used in the formation of compound words (perimorph). Origin of peri- Expand.
Medicine Specialist registrar, a medical doctor in the United Kingdom receiving advanced training in a specialist field Specialty registrar, new training grade intended to replace specialist registrar Senior registrar, type of medical or dental practitioner in the UK, Ireland, and Australia
physician. an authorized practitioner of medicine, as one graduated from a college of medicine or osteopathy and licensed by the appropriate board; see also doctor.attending physician one who attends a hospital at stated times to visit the patients and give directions as to their treatment.mergency physician a specialist in emergency medicine. family physician a medical specialist who plans and provides the comprehensive primary health care of all members of a family, regardless of age or sex, on a continuous basis. See also family practice.