The meaning of the Acronym ROS is...

ROS is

• Return Of Saturn
• Results Of Sin
• Reactive Oxygen Stke
• Rose Of Sharon
• Raster Output Scanner
• Race Online Series

More Meanings For ROS:

• Rate Of Sulfation
• Radical Oxygen Species
• Reactive Oxygen Species
• Rate Of Oxidation
• Record On Silicon
• Run Of Schedule
• Run On Site
• Return On Sales
• Rostelecom Long Distance & Internet
• Run Of Site
• Riders Of the Storm
• Room Only to Stand
• Recreation Opportunity Spectrum
• Rookie Online Series
• Run Of Stack

ROS is also in:

• Assembly
• Chemistry
• Electronics
• General
• Media
• NYSE Symbols
• Performing Arts
• Sports