| Acronym | Meaning |
| IRI | Interfaculty Reactor Institute |
| AHRQ | Agency For Healthcare Research And Quality |
| OSAC | Organic Structures Accessed By Computer |
| DWSBA | Distorted Wave Second Born Approxn. |
| FSMRCCSD | Fock Space Multireference Coupled Cluster (with) Single (and) Double Excitations |
| DET | Direct Nonradiative Electronic Energy Transfer |
| PAOD | Peripheral Arterial Occlusive Disease |
| NRCC | National Research Council Of Canada |
| TEDS | Timed Exposure Diffusive Sampler (for Air Pollution) |
| IOS | Infinite Order Sudden Approximation |