The meaning of the Acronym RAS is...

RAS is

• Reticular Activating System
• Reticular Activation System
• Redirecting Antibody Specificity
• Renal Artery Stenosis

More Meanings For RAS:

• Replicate And Simulate
• Sun Raster Image format
• Remote Analysis System
• Royal Astronomical Society
• River Analysis System
• Registration Admissions And Status
• Russian Academy Of Sciences
• Registration, Admission, and Status
• Resource Asset Investment Trust
• Rootes Armstrong Siddley
• Reliability And Service
• Reading Award Scheme
• Real Authentic Sound
• Sun RASter image Bitmap graphics
• Results Of About Search

RAS is also in:

• AMEX Symbols
• Chemistry
• Educational
• Electronics
• File Extensions
• Firms
• General
• Media
• Ocean Science
• Universities