Abbreviations & Acronyms Dictionary

Aeris Gestion
Radar Information Service
Radar Integration System
Radiation inactivation size
Radiation injury score
Radiation-Induced Segregation
Radio Intercom System
Radio Interface Subsystem
Radio Investigation Service
Radioimmunoscintigraphies
Radioimmunoscintigraphy
Radiological information system
Radiological Information Systems
Radiology Information System
Radiology information systems
Rail Interface System
Random Interleaved Sampling
Range Instrumentation Ship
Range Instrumentation System
Range Instrumentation Systems
Rapid Imaging Software
Rapid immunofluorescence staining
Rapid infusion system
Rapid Insertion System
Raster Image Sets
Raster Input Scanner
Rate Inverse Scheduling
Raytheon Information Solutions
RCRA Implementation Study
Reactive irritability scale
Receipt Inspection Segment
Receipt Inspection Shop
Recipe Information System
Recombinant inbred strain
Recombinant inbred strains
Reconnaissance information system
Recorded Information Service
Redwood Inspection Service
Reference Implementations
Reference Information Store
Reflector In Space
Regional Innovation Strategy
Regional Innovation System
Regional intravascular sympathetic
Regulation Impact Statement
Regulatory Impact Statement
Regulatory Innovations Staff
Relational Interface System
Relative intensity score
Remedial Investigations
Remote Information System
Remote Inquiry System
Remote installation server
Remote Installation Service
Remote Installation Services
Remote Intallation Service
Replication intermediates
Replicative intermediates
Reporting identification symbol
Reporting Identification Symbols
Reporting Identification System
Representative important species
Request for Information Services
Requirements Inventory Sheet
Research Information Service
Research Information Services
Research Information System
Research Information Systems
Reservoir-induced seismicity
Reset to Initial State
Resistance Indices
Resistive indexes
Resistive indices
Resonance Ionisation Spectroscopy
Resonance ionization spectrometry
Resonance ionization spectroscopy
Resonant Ionization Spectrometry
Resource Information Service
Resource Information System
Restraint and isolation stress
Retail Information System
Retirement Income Specialist
Retirement Information System
Retransmission Identity Signal
Retroreflector in Space
Revolution Indicating System
Risø International Symposium
Risedronate
Risk Intervention Study
Risperidone
River Information Services
RiverStone International School
Robotics Invention System
Rod inner segments
Romulan Imperial Ship
Rotatable Initial Susceptibility
Rotational Isomeric State
Route Implementation Summary
Routing Indicators
Routing Information Service
Rowland Institute of Science
Rural Information System
Russellville Independent Schools
Russian Intelligence Service