What does Peri stand for?

Perigeum (SAUS)

Pea Ridge National Military Park - Pea Ridge, AR - National Park Service designator (NPSD)

Perigee

Perimeter (AABC)

Periodical

Periphonics Corp. - NASDAQ symbol (SAG)

Periscope

Peritoneal Fluid (DAVI)

Pharmaceutical Education & Research Institute (SAUS)

Photoengravers Research Institute (SAUS)

Platemakers Educational and Research Institute - Later, IAP

Political Economy Research Institute - University of Massachusetts at Amherst (RCD)

PRMA- Pharmaceutical Research and Manufacturers of America Education and Research Institute - A working group (TPAL)

Production Equipment Redistribution Inventory - Army

Production Equipment Reserve Inventory - Navy (NG)

Programme for the Enhancement of Research Information

Protein Engineering Research Institute - Japanese governmental and industrial consortium - Later, BERI

Psychiatric Epidemiology Research Interview

Public Entity Risk Institute - Emergency Management (EMA)

Pericardium - Medicine (ADWA)

Perineal - Anatomy (DAVI)