| Acronym | Meaning |
| UPC | Universal Product Code |
| AIDS | Acquired Immune Deficiency Syndrome |
| AHRQ | Agency For Healthcare Research And Quality |
| EDECSIM | Extended Directed Energy Combat Simulation |
| GULAG | Glavnoye Upravleniye Ispravitelno-trudovykh LAGerei I Kolonii (Russian ??????? ?????????? ????????????? ???????? ??????? ? ??????? |
| OHC | OverHead-Cam Engine |
| BDNF | Brain-Derived Neurotrophic Factor |
| ROS | Reactive Oxygen Species |
| R3P | Rearm |
| NRTA | National Thoroughbred Racing Association - National Rat Terrier Association - National Retail Tenants Association - National Retired Teachers Association - Northwest Regional Transmission Association |