The meaning of the Acronym RIS is...

RIS is

• Rotational Isomeric State
• Rail Interface System
• Radiology Information System
• Remote Installation Services
• Robotics Invention System
• Remote Install Services
• Radical Isolation Suit
• Really Insane Search

More Meanings For RIS:

• Reservoir Induced Seismicity
• River Information Services
• Ruamrudee International School
• Research Information System
• Radiology Information Systems
• Reliable Internet Systems
• Reprographic Imaging Services
• Regional Innovation And Strategy
• Relocation Information Services
• Retail Information System
• Regional Innovation Strategies
• Regional Innovation Strategy
• Reviving the Islamic Spirit
• Remote Installation Server
• Remote Installation Server

RIS is also in:

• Drivers
• Firms
• General
• Geology
• International Business
• Ocean Science
• Religion
• Universities