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
Registrar (education), an official in an academic institution who handles student records. Registrar of the University of Oxford, one of the senior officials of the university.