| Acronym | Meaning |
| IRCWD | International Reference Center For Waste Disposal |
| MC-SEA | Multichannel Static-exchange Approximation |
| NDE | Nondestructive Evaluation |
| LBF | Local Basis Function Method (for Solid State Band Structure) |
| TRIGA | Training, Research, Isotopes, General Atomic (nuclear Fuel) |
| ALPS | Autoimmune Lymphoproliferative Syndrome |
| LOCI | Luminescence Oxygen Channeling Immunoassay |
| PAGIRS | Pesticide Assessment Guidelines Information Retrieval System |
| OAQPS | Office Of Air Quality Planning And Standards |
| LSF | Laser-saturated Fluorescence |