Popularity Country/ Region Term Full Form | Definition | Meaning Main Category Subcategory
Australia ORM Orion Metals Limited Business » Stock Market
Spain ORM Observatorio del Roque de los Muchachos Academic & Science » Astronomy & Space Science
Worldwide ORM Orosomucoid Medical » Biochemistry
Worldwide ORS Oral Rehydration Solution Medical » Treatments & Procedures
Worldwide ORS Olfactory Reference Syndrome Medical » Psychiatry & Mental Health
United States ORS Orthopaedic Research Society Associations & Organizations » Medical Organizations
Worldwide ORS Old Red Sandstone Academic & Science » Geology
United States ORS Oregon Revised Statutes Governmental » Law & Legal
United Kingdom ORS Overseas Research Scholarship Society & Culture » Awards
Worldwide ORS Oxygen Reduction System Technology » Tech Terms
Worldwide ORS Oculo-Respiratory Syndrome Medical » Diseases & Conditions
Worldwide ORS OID Resolution System Technology » Specifications & Standards
United States ORS Orcas Island Airport Transport & Travel » Airport Codes
Worldwide ORVM Outside Rear View Mirror Technology » Automotive
Worldwide OS Operating System Computing » Software & Applications
Worldwide OS Oculus Sinister Medical » Healthcare
Worldwide OS Open Source Computing » Programming & Development
Worldwide OSCE Organization for Security and Co-operation in Europe Associations & Organizations » Governmental Organizations
Worldwide OSCE Objective Structured Clinical Examination Academic & Science » Exams & Tests
Worldwide OSCON O’Reilly Open Source Convention Associations & Organizations » Conferences & Events
Worldwide OSD On-Screen Display Technology » Display & Graphics
United States OSD Office of the Secretary of Defense Governmental » Departments & Agencies
Worldwide OSD Officer on Special Duty Governmental » Titles
Worldwide OSD Oral Solid Dose Medical » Medicines & Drugs
Worldwide OSD Osgood–Schlatter Disease Medical » Diseases & Conditions