Acronyms & Abbreviations

The definition of RSA is:

Elisra Airlines

Rabbit serum albumin

Radar Signature Analysis

Radiation Safety Associates, Inc.

Radical scavenging activity

Radio Set Adapter

Radio Set Adaptor

Radiostereometric analysis

RAID Storage Adapter

Rail Support Activity

Railway Signal Association

Railway Study Association

Railway Supply Association

Random Scheduling Algorithm

Random sequential adsorption

Range Standardization and Augmentation

Range Standardization and Automation

Rapid Simulation Aids

Rapid slide agglutination

Rapid susceptibility assay

Rat serum albumin

Rate Sensitive Assets

Rate Sensor Assembly

Rational Software Architect

Reactive secondary amyloidosis

Readiness Self Assessment

Real Sector Access

Rear Seat Audio

Rear Support Area

Receiver Service Agent

Receptor surface analysis

Reconnaissance Support Activity

Recurrent spontaneous aborters

Recurrent spontaneous abortion

Recurrent spontaneous abortions

Redding School of the Arts

Reed-Solomon Association

Reference Satellite A

Reference System Architecture

Refined Sugar Association

Refrigerator Safety Act

Regiment Support Area

Regimental Support Area

Regional Science Association

Regional Selective Assistance

Regional Sewerage Authority

Regional Specialty Adviser

Regional Strategic Assessment

Regional Studies Association

Register Save Area

Registry System Administrators

Regular spiking activity

Rehabilitation Services Administration

Rehabilitative Services Administration

Reimbursable spending account

Related Scientific Activities

Relative solvent accessibility

Relative specific activity

Relative standard accuracy

Reliable Service Area

Remote Session Access

Remote shutdown area

Remote Station Alarm

Remote Station Automation

Remote Storage Area

Remote Supervisor Adapter

Remote systems applications

Renaissance Society of America

Renal sympathetic activity

Repair Service Answering

Repair Service Attendant

Repair Shop Account

Repeated spontaneous abortion

Repeated spontaneous abortions

Repeated-sprint ability

Replication system administrator

Republic of South Africa

Request for special analysis

Requirements Statement Analyzer

Research Society on Alcoholism

Research Society on Alcoholism<>

Research Subject Advocate

Reseau du Sport de l'Air

Reserve Special Agent

Resident Students Association

Residential Student Association

Resistances

Respiratory sinus arrhythmia

Response Surface Analysis

Retirement Savings Account

Retirement Systems of Alabama

Retrograde storage area

Reusable Software Asset

Reusable Software Assets

Reverse saturable absorption

Revised Shapley Ames

Rheometrics Solids Analyzer

Rhythmic slow activity

Rhythmic slow-wave activity

Rhythmical slow activity

Right sacroanterior

Right sacroanterior position

Right Shift Algorithm

Right subclavian artery

Rigid Spin Approximation

Riverside Sheriffs' Association

Rivest - Shamir - Adleman

Rivest Shamir Adleman

Rivest, Shamir and Adleman

Rivest, Shamir, Adleman

Rivest-Shamir-Adelman

Rivest-Shamir-Adelson

Rivest-Shamir-Adleman

Rivest-Shamir-Aldleman

Road Safety Audits

Rochester Software Associates

RoekoSeal Automix

Roentgen stereometric analysis

Roentgen stereophotogrammetric analysis

Roentgen stereophotogrammetry

Roentgenographic stereogrammetric analysis

Rolled steel angle

ROOSA-MASTER

Root Service Allocator

Root surface area

Royal and SunAlliance Insurance Group PLC

Royal School of Artillery

Royal Scottish Academician

Royal Scottish Academy

Royal Society for the encouragement of the Arts, Manufactures and Commerce

Royal Society of Antiquaries

Royal Society of Arts

Royal Society of Australia

Rubber Shippers Association

Runway safety area

Rural Service Area

Rural Serving Area

Rural Statistical Area

Russian Solar Array

Russian Space Agency