The meaning of the Acronym RIS is...

RIS is

• Resistance, Immunity, Susceptibility

More Meanings For RIS:

• Remote Installation Server
• Remote Installation Server
• Remote Installation Service
• Reservoir Induced Seismicity
• River Information Services
• Ruamrudee International School
• Research Information System
• Ricky Is Sexy
• Rotational Isomeric State
• Rail Interface System
• Radiology Information System
• Remote Installation Services
• Robotics Invention System
• Remote Install Services
• Radical Isolation Suit

RIS is also in:

• Adults
• Drivers
• General
• Geology
• Networking
• Ocean Science
• Unfiled
• Universities