RO
RO appears in technical writing to mark non‑editable files, in geography as the country code for Romania, in legal contexts for restraining orders, and in healthcare as an abbreviation for radiation oncologists.
Medical
Routine order
Radon Occurrence
Reproductive Organ
Radiation Oncologist
Reactive Oxygen
Reflux Oesophagitis
Relative Odds
Renal Oncocytoma
revenue out turn (!)
Miscellaneous
Relational Operator
Right On
Roof Open
Recruitment Officer
Responsible Officer
Reverse Osmose
Rising Order
Reverse Osmosized
Rubery Owen
Room Only
Repair Order
Relay Operator
Riddle Obsessed
Restricting Oxide
Random Object
Reduced Offset
Red Outer
risk on
Reviewed Original
Renewable Obligation
Royal Oak
Ragnarock online
Run on
Response Only
Requisitioning Objective
Rust and Oxidation
Romance O
Community
Governmental
Russian Orphan
Roll Over
Roll On
Regional Office
Rebel Outpost
Range Officer
Recruiting Officer
Run Off
Registered Owner
Rahva Omakaitse (People’s Home Guard)
Radar Operator
Receive Only
Recovery Operations
Restraining Order
International
Academic & Science
Reverse Osmosis
Results Of
Read Only
Red Oxide
Research Organization
Rough Opening
Restrictive Orifice
Rated Output