RI (redirected from refractive index)

Acronym	Definition
RI	Rhode Island (US postal abbreviation)
RI	Rotary International
RI	Refugees International
RI	Robotics Institute
RI	Relevant Information
RI	Reissue
RI	Reinsurance
RI	Request for Information (usually seen as RFI)
RI	Remedial Investigation
RI	Rockefeller Institute
RI	Reference Implementation
RI	Repubblica Italiana (Italian Republic)
RI	Roosevelt Island (New York, NY)
RI	Ring Indicator (for Modem)
RI	Republic of Indonesia
RI	Refractive Index
RI	Residual Income
RI	Referential Integrity (database rules)
RI	Relief International
RI	Red Ink (band)
RI	Roslin Institute (UK)
RI	Rijeka, Croatia (license plate)
RI	Research Infrastructure
RI	Recombinant Inbred
RI	Relações Internacionais (Brazil; International Relations)
RI	Readership Institute (Northwestern University)
RI	Ring It
RI	Report of Investigation (NIOSH)
RI	Rockwell International
RI	Religious Instruction
RI	Rehabilitation International (New York, NY)
RI	Righteous Indignation
RI	Royal Infirmary (UK)
RI	Rigorous Imprisonment (police)
RI	Retention Index
RI	Rotate In (Hyper Logo Turtle graphics command)
RI	Resistance Index
RI	Rieti, Lazio (Italian province)
RI	Risk-Informed (Nuclear Power)
RI	Runway Incursion
RI	Radio Interference
RI	Raffles Institution (Singapore)
RI	routing indicator (US DoD)
RI	Rise Inside (band)
RI	Reliability Index
RI	Research Instrument
RI	Rutherford Institute
RI	Re-Interview (census)
RI	Radiation Intensity
RI	Registered Importer (US National Highway Traffic Safety Administration)
RI	Rinnovamento Italiano (Italian Renewal Party)
RI	Review Item
RI	Receiving Inspection
RI	Resistance-Inductance
RI	Random Insanity (online comic strip)
RI	Random Insanity (gaming community)
RI	Routing Identifier
RI	Record Item
RI	Rosenbluth International
RI	Research Interviewer
RI	Reverse Integration (computer source code merge promotion process)
RI	Routes International
RI	Random Individual
RI	Residual Image
RI	Regional Ileitis (pig disease)
RI	Resonance Integral
RI	Reinforced Insulation
RI	Retreats International
RI	Reconnaissance Inspection
RI	Ramblin' Irishman
RI	Republiek Indonesie (Dutch)
RI	Reconnaissance Investigation
RI	Ranger Instructor (US Army Ranger School)
RI	Randomly Interleaved
RI	Refractory Index
RI	Règlement Immédiat (cash settlement of French shares)
RI	Right Inboard
RI	Repulsion Induction
RI	Member of the Real Estate Institute of British Columbia
RI	Reporting Identifier
RI	Reactor Incident
RI	Rhythmic Initiation (PNF technique)
RI	Restricted Issue
RI	Repair and Iterate (part of Generate-and-Repair Machine Translation)
RI	Remedial Inspection
RI	US Revenue Potato Tax (Scott Catalogue prefix; philately)
RI	Reportable Increment