Acronyms & Abbreviations

The definition of RCA is:

IATA code for Ellsworth AFB, Rapid City, South Dakota, United States

Rabbit carotid artery

Radiation Control Agency

Radiation Control Area

Radiation Controlled Area

Radiative Cooler Assembly

Radio Club of America

Radio Communications Agency

Radio Corporation of America

Radio Corporation of America's

Radiofrequency catheter ablation

Radiographic contrast agents

Radiological Consultants Association

Radiological control area

Radiological controlled area

Railway Carmen of America

Raji cell assay

Raleigh Christian Academy

Rapid Cycle Analysis

Rating Change Authorization

Reach Climb Altitude

Reach cruise altitude

Reach Cruising Altitude

Reaching Cruise Altitude

Reactivity cavity access

Reactor coolant activity

Readers' Choice Award

Receiver Collision Avoidance

Recovering Couples Anonymous

Recurso Contencioso Administrativo

Red blood cell carbonic anhydrase

Red Cell Adherence

Red cell agglutination

Red cell aggregation

Red Cross Act

Reformed Church of America

Refugee Cash Assistance

Regional Calling Area

Regional Center for Africa

Regional citrate anticoagulation

Regional Customer Administrator

Regulation of complement activation

Regulator of complement activation

Regulator of complement activity

Regulators of complement activation

Rehoboth Charter Acdemy

Reinforced Concrete Association

Relative chemotactic activity

Relay Control Assembly

Release Contents Approval

Reliable component analysis

Remote Control Access

Remote Control Amplifier

Remote Controller Array

Renaissance Career Academy

Renal cell adenoma

Renal cell carcinoma

Renal concentrating ability

Replication-competent adenovirus

Replication-competent alphavirus

Request for Contract Action

Request for Corrective Action

Requirements Control Authority

Research Career Award

Research Challenge And Application

Research Council of Alberta

Residence and Campus Activities

Residual capabilities assessment

Residual cortical activity

Response Calibration Audit

Restaurant and Catering Association

Retained cortical activity

Retirement compensation arrangement

Retrochiasmatic area

Reuse Cost Avoidance

Revenue Cost Analysis

Reverse Charging Acceptance

Reverse Cowgirl Anal

Reverse cutaneous anaphylaxis

Reversed cutaneous anaphylaxis

Richland Aviation

Ricinis communis agglutinin

Ricinus communis agglutinin

Ricinus communis agglutinin I

Right carotid artery

Right coronary

Right coronary angiography

Right coronary arterial

Right coronary arteries

Right coronary artery

Right coronary artery disease

Right to clean air in public places

Riot Control Agent

Ripple Carry Adder

Rivers Christian Academy

Rockwall Christian Academy

Rolling circle amplification

Root Cause Analyses

Root Cause Analysis

Root-Cause Analysis

Rossville Christian Academy

Rotary Cup Atomizer

Rotational coronary atherectomy

Roxboro Christian Academy

Royal Canadian Academy

Royal Canadian Army

Royal Canadian Artillery

Royal City Avenue

Royal College of Anaesthetists

Royal College of Art

Rubisco activase

Rural Carrier Associate

Rural Cellular Association

Russian Cryptology Association