The meaning of the Acronym RI is...

RI is

• Refractive Index
• Retrograde Inversion
• Randomly Inversed
• Relative Inverse
• Randomly Initialized
• Rule Induction
• Ringlet Identifier
• Right Indication
• Rutherford Institute
• Run In
• Random Index
• Rockwell International
• Royalty Interest
• Renderman Interface
• Rotary International
• Related Injury
• Referral Interviews
• Regina Imperatrix
• Relative Intensity
• Raw Indication
• Remote Influencing
• Repubblica Italiana
• Radically Inert
• Rotation Invariant
• Rim Intensity
• R Or I
• Repec Index
• Rate Information

More Meanings For RI:

• Return Index
• Register I
• Rapid Insert
• Referential Integrity
• Lotus 1-2-3 Data
• Ried Im
• Rollback Info
• Re Installing
• Ring Indicator
• Ring In
• Receiver Induced
• Random Insanity
• Rambling Irishman
• Rather Interesting
• Radical Initiator

RI is also in:

• Assembly
• Chat
• Chemistry
• Databases
• File Extensions
• Security
• Software
• Telecom