What does Ros stand for?

Roscommon - County in Ireland (WGA)

ATS-Servicii de Transport Aerian - Italy - ICAO designator (FAAC)

Radar Distribution Switch (SAUS)

RADAR Order Switch

Radarsat Optical Sensor (SAUS)

Radius of Suspension

Range of Spares (MCD)

Range Operating Station (SAUS)

Range Operations Supervisor (MUGU)

Range Operation Station

Raster Output Scanner (SAUS)

Rate of Speed (MCD)

Rat Osteosarcoma - Cell line

Reactive Oxygen Species

Read-Only Storage - Computer science

Ready Operating Status (DNAB)

Receive Only Satellite (SAUS)

Record-on-Silicon (AAEL)

Recreation Opportunity Spectrum (SAUS)

Reduced Operational Status - Military

Reed Organ Society (EA)

Registration Offering Statistics System - Securities and Exchange Commission (GFGA)

Regulated Oxygen Supply (MCD)

Regulated Oxygen System (NASA)

Remote Operating System (IAA)

Remote Operations Service - Telecommunications (OSI)

Remote Operation System (SAUS)

Remote Optical Sight - Military (CAAL)

Remote Optical System

Removable Overhead Structure (MCD)

Reporter on Scene (NTCM)

Report Originator System - Military (CAAL)

Representative Observation Site - Weather observing facility - Air Force

Requisition on Stores - Nuclear energy (NRCH)

Research Optical Sensor (MCD)

Resident Operating System

Residual Oil Saturation - Petroleum technology

Resistor on Sapphire (SAUS)

Restored Oil Shales

Return from Overseas - Military

Return on Sales

Review of Systems - Medicine

Revised Occupant Simulation

Ridge Operating System (SAUS)

Rights of Stockholders - Investment term (MHDW)

Robotics Operating System

Robot Optical Sensor (SAUS)

Rod Optic System - Automotive lighting systems

Rod Outer Segments - of the retina

Rosa - Rose - Pharmacology (ROG)

Rosario - Argentina - Airport symbol (OAG)

Rosary

Roseneath - New Zealand - Seismograph station code, US Geological Survey - Closed (SEIS)

Rose Resources Corp. - Vancouver Stock Exchange symbol

Rosman - North Carolina

Rostelecom Telecommun ADS - NYSE symbol (SPSG)

Roswell Public Library, Roswell, NM - OCLC symbol (OCLC)

Rotary on Stamps Fellowship (EA)

Rotate Outward Slightly (SAUS)

Rotating Optical Scanner

Roth-Sauer - NCIC firearms make code (NCIC)

Royal Order of Scotland (EA)

Run of Schedule - Commercial announcement to be broadcast throughout the program schedule - Advertising

Run-of-Site - Online advertising (NETL)

Run of Station

Run-of-Station - Broadcasting (WDMC)

Rush Order Service