| Acronym | Meaning |
| NBS | Nijmegen Breakage Syndrome |
| NETAC | National Effluent Toxicity Assessment Center |
| UCST | Upper Critical Solution Temperature |
| INADEQUATE | Incredible Natural Abundance Double Quantum Transfer Experiment |
| SO-LAPW | Spin-orbit (coupling) Linearized Augmented Plane Wave |
| GGS | Global Geospace Science |
| OPPE | Office Of Policy |
| PONA | Paraffins, Olefins, Naphthalenes, And Aromatics (in Petroleum Analysis) |
| AGFA | Asymptotic Green Function Approxn. |
| PIR | Protein Identification Resource |