| Acronym | Meaning |
| APNEA | Active Passive Neutron Examination And Assay |
| NBS | Nijmegen Breakage Syndrome |
| CHTS | Combinatorial High-throughput Screening |
| HFO | Hydrous Ferric Oxide |
| DRF | Dose Reduction Factor |
| USDA | United States Department Of Agriculture |
| LSDSIC | Local-spin-density Self-interaction-correction Approxn. (in Total Energy Calcns. For Atoms) |
| RCRA | Resource Conservation And Recovery Act Of 1976 |
| SDFFF | Sedimentation Field Flow Fractionation (particle Analysis) |
| NSLS | National Synchrotron Light Source |