| Acronym | Meaning |
| NRDC | (U.S.) Natural Resources Defense Council |
| GPPC | Genetics And Public Policy Center |
| CP | Canadian Pacific - Check Point - Command Post |
| A | Ampere |
| WRNS | Women's Royal Naval Service (WWII UK) (pronounced Wrens) |
| OR | Oriya Language (ISO 639-1 Code) |
| SFU | Simon Fraser University (Canada) |
| SVN | Slovenia (ISO 3166 Trigram) |
| NNSA | U.S. National Nuclear Security Administration |
| NIDDK | National Institute Of Diabetes And Digestive And Kidney Diseases |