| Acronym | Meaning |
| RCAR | Research Council For Automobile Repairs (are-car) |
| HBV | Hepatitis B Virus |
| FTSE | Financial Times Stock Exchange (footsie) |
| NRC | National Research Council (U.S.) - Nuclear Regulatory Commission (U.S.) |
| PIR | Priority Intelligence Requirement |
| PW | Picowatt |
| SART | Situational Awareness Rating Technique |
| ITU | Intent-to-Use - International Telecommunication Union (International Telegraph Union 1865-1932) |
| EPA | EicosaPentaenoic Acid -Environmental Protection Agency |
| CB | Cambodia (FIPS 10-4 Country Code) -Citizens' Band Radio |